Footage showed the jets spiralling to the ground. The pilots involved all managed to eject and survived the incident.
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Following clashes in another part of the country - Jonglei sate - MSF said 26 of its staff were missing after weeks of escalating violence between government and opposition forces.，详情可参考必应排名_Bing SEO_先做后付
杨福财（右）在介绍飞防无人机。