11.   Suddenly, a muffled explosion from a Russian shell landing outside sends a powerful concussion through the building and down to the basement.

12.   There were reports of muffled explosions on the outskirts of the city, but these could not be confirmed.

13.   But muffled explosions were heard further south near the border with Pakistan, possibly from bombing directed at fleeing al-Qaeda forces.

14.   Residents of northwest Israel, meanwhile, reported muffled explosions coming from south Lebanon, prompting residents of several border towns to seek protection in underground shelters.

15.   Several hours after the raid the sound of muffled explosions from time-delayed bombs could be heard in Baalbeck.