probably a rocket strike by the israelis. it was at around 3:00 a.m. local time that gigantic explosions lit up the skies over damascus. one deafening blast after another, it went on for more than an hour. rocking a large military area in the suburbs of syria s capital and prompting terrified nearby residents to run for cover. this family lives over a mile away. daughter, anna, tells me what happened. after the first two bombs, we kept hearing explosions. there were, like, nine of them, because everything kept explo exploding over and over again. we can hear gunshots. we can hear people screaming. so basically we didn t know what to do, and there was a problem with us breathing because the smoke was too much. reporter: in a second alleged israeli air strike in three days, the syrian government says the latest target was a military research facility. the opposition says it was an ammunition depot.