Complex sentence: Sometime between his egress from the aircraft and his boarding of the ground vehicle, several gunshots were heard, and when the firing stopped, Aquino and a man later identified as Rolando Galman lay dead on the apron, both from gunshot wounds.
Split into simpler sentences: Sometime between his egress from the aircraft and his boarding of the ground vehicle, several gunshots were heard. When the firing stopped, Aquino and a man later identified as Rolando Galman lay dead on the apron, both from gunshot wounds.