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A nearly 7-hour long standoff which began with six officers getting shot while serving a warrant has to an end late Wednesday evening, Philadelphia Police confirmed. As of early Thursday morning, a SWAT unit was in the process of clearing th scene.Police spokesman Eric Gripp said that the six officers were released from the hospital by late Wednesday evening. An officer who was injured in an accident while responding to the scene remains hospitalized. Gripp said that law enforcement attempted to make contact with the suspect who was barricaded throughout the evening. Officials from ATF confirmed were on the scene, assisting local police. Philadelphia Police requested the media not air live helicopter footage of the officers' tactical positions. Officers held those positions all evening despite spurts of gunfire.Ross told reporters that officers attempted to serve a warrant at a residence near Temple University around 4:30 p.m. Officers reached the kitchen of the residence when the suspect began shooting at officers. Ross said that officers dove through windows and took cover to avoid the gunfire. Following the shooting, officers retreated as dozens of other units responded. Temple University also was in a lockdown.Two officers who were trapped in the residence for several hours were freed, Gripp confirmed. Gripp's announcement came nearly five hours after the incident began. 1409

A student gunman opened fire at a southern California high school Thursday morning, leaving two dead and several others injured, officials said.According to authorities, the male suspect, who is a student at the school, opened fire in the quad at Saugus High School in Santa Clarita around 7:38 a.m. before classes started. Authorities were on scene by 7:40 a.m. after receiving several 911 calls about the shooting. The suspected gunman shot and killed two students, a 16-year-old female a 14-year-old male, and injured three others before shooting himself in the head, police said. He is currently in custody and being treated at a local hospital, according to Los Angeles County Sheriff Alex Villanueva. Officials say he is in grave condition.Video obtained at the scene showed the suspect taking a .45-caliber semi-automatic pistol from a backpack before shooting the five other students and then himself, said Capt. Kent Wegener of the Los Angeles County Sheriff's Department.The other victims include two females, ages 14 and 15, and a 14-year-old male, police said. They were transported to local hospitals with gunshot wounds.Police are investigating the alleged shooter's home, which is near the school, authorities said at a press conference. Officials also said that Thursday was the student gunman's 16th birthday.The suspected shooter's mother and girlfriend are being interviewed by detectives. Other student witnesses are also still providing information to police.Other schools in the district were placed on lockdown amid the shooting. Police say they still don't have a motive in the shooting.EDITOR'S NOTE: A previous version of this story said that three people were killed based on a report from ABC News. ABC News is no longer reporting that three students have died, and this story has been updated to reflect ABC's reporting. 1862

A secretive startup backed by Bill Gates has achieved a solar breakthrough aimed at saving the planet.Heliogen, a clean energy company that emerged from stealth mode on Tuesday, said it has discovered a way to use artificial intelligence and a field of mirrors to reflect so much sunlight that it generates extreme heat above 1,000 degrees Celsius.Essentially, Heliogen created a solar oven — one capable of reaching temperatures that are roughly a quarter of what you'd find on the surface of the sun.The breakthrough means that, for the first time, concentrated solar energy can be used to create the extreme heat required to make cement, steel, glass and other industrial processes. In other words, carbon-free sunlight can replace fossil fuels in a heavy carbon-emitting corner of the economy that has been untouched by the clean energy revolution."We are rolling out technology that can beat the price of fossil fuels and also not make the CO2 emissions," Bill Gross, Heliogen's founder and CEO, told CNN Business. "And that's really the holy grail."Heliogen, which is also backed by billionaire Los Angels Times owner Patrick Soon-Shiong, believes the patented technology will be able to dramatically reduce greenhouse gas emissions from industry. Cement, for example, accounts for 7% of global CO2 emissions, 1328

American Airlines now won't use its fleet of Boeing 737 Max planes any time this summer.The world's largest airline, which has 24 of the 737 Max jets in its fleet, said it is canceling about 115 flights a day through September 3 as a result of the grounding. It previously had canceled flights through August 19. The plane was grounded in mid-March after two fatal crashes, putting focus on a particular safety feature on the plane.American's canceled flights are the most extensive among US airlines. Southwest, which has 34 of the 737 Max jets in its fleet, has canceled flights only through August 5 at this time. United Airlines' cancellations also run into August.Not all of the American flights scheduled to be flown by the 737 Max will be canceled outright. Some will be flown with other aircraft. American is also canceling some flights scheduled to be flown by different aircraft, such as the original 737, to shift those resources to other flights.American said it is adjusting its schedules to affect the fewest number of passengers possible, and passengers whose flights are canceled will be able to rebook at no cost or get a full refund if they don't wish to take their trip.The 115 flights and 24 planes represent about 2% of American's overall operations. The airline operates about 6,800 flights a day during the busy summer travel season, including those flown for it by regional feeder airlines. Its mainline operations include a total of more than 900 aircraft.Late summer is one of the busiest times of the year for air travel, so the lost flights will hurt the airline — although Boeing is expecting to find ways to compensate airlines hurt by the Max grounding. It is seeking to win approval for a software fix that is designed to address the automatic safety feature that is the focus of the investigation into the two fatal crashes."American Airlines remains confident that impending software updates to the Boeing 737 MAX, along with the new training elements Boeing is developing ... will lead to recertification of the aircraft soon," American said in its statement. "We are pleased with the progress to date." 2150

A Spanish man spent his summer vacation paddling his way from the west coast of the U.S. across the Pacific Ocean to Hawaii.It took Antonio de la Rosa 76 days to paddle some 2,500 miles while standing on a submarine-shaped craft. He had planned to make the trip in 70 days, but suspects he drifted too far north at one point during his journey.He celebrated his 50th birthday at sea and arrived Saturday in Honolulu.de la Rosa said Monday that he's feeling a bit tired.He paddled eight-to-10 hours daily and slept every night. But he was always tired because he woke up hourly to check on his gear.In addition to a sleeping cabin, de la Rosa's boat included computers and GPS systems that ran on solar energy created by panels on the roof. However, the boat was only moved by wind, ocean currents and de la Rosa himself.He believes no one has ever done what he accomplished.In Spain, he runs an adventure tourism business and says he enjoys adventurous vacations. 976