Thursday morning, Lebanese military sources say it was Syrian anti-aircraft missile.
The government forces rolled out even more hardware: they shot at the rebels with anti-aircraft guns and even 122mm Grad rockets.
About six rebels arrived at the hotel with an anti-aircraft gun and began blocking elevators in preparation for a search.
In mid-July the British anti-aircraft guns had been reinforced and enhanced by a new American radar system.
They had onion skin traces made of all bombers returning from raids, as to where they'd been hit by anti-aircraft and enemy fire.
The anti-aircraft batteries, with no target, suddenly stopped firing.
They were fired at from the ground by anti-aircraft artillery.
But he was so low that he was within range of the German anti-aircraft guns, and straightway they began shooting at him.
The squadron replied with anti-aircraft guns, maxims, and rifles.
And all around him the anti-aircraft guns were placing a barrage of death.