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Both planes flew erratically after experiencing difficulty with the Maneuvering Characteristics Augmentation System (MACS), the anti-stall device.

Both the Internet giants have actively expanded their services overseas since last year. Alipay can be used in several hundreds of thousands of shops in over 70 countries, while Wechat has landed in 19 countries and regions, including Japan, Thailand and Republic of Korea - most popular destinations among Chinese tourists.

Both presidents noted in their letters the significance of the security concerns, as did Zerhouni, who described the security and protection of the country's science and technology as an issue "of paramount importance".

Both the Canadians were detained in December 2018 by the Chinese government on "suspicions of engaging in activities that endanger national security".

Bussara Tirakalyanapan, senior research and development officer with Freeland Foundation, a US-funded nonprofit organization which fights illegal trade in wildlife, welcomed the commitment from ASEAN.