It comes after one of its planes suddenly lost altitude last week, with a number of passengers injured.
Related stories
AI-powered robots showcased at European Parliament in Brussels
Families of the missing in Nepal's flash floods perform symbolic cremations
China's Xi visits Egypt for the first time in a decade
Critics question legality of Venezuela oil deals
U.S.-Israel relations are on the rocks ahead of elections
Zack Polanski to stand in Keir Starmer seat as Green party candidate