"We specifically did not target the mosque as we felt we could engage the enemy in the area with disciplined and well-aimed fire from our Marines without needing to cause extensive damage to the mosque and surrounding structures," the source said.
...
Marines, pinned down, dropped two precision-guided 500-pound bombs on the walls of the mosque and fired a Hellfire missile.
"It didn't appear to us," Kimmitt said, "to have any effect on the main dome building itself."
The wall is a few hundred yards from any structure, the source said, and the mosque building was not damaged.
...
Muslims consider all of a mosque's compound as the mosque because worshippers gather on the grounds if the structure is full.
Insurgents "firing from the mosque blatantly misused a protected symbol by conducting offensive military operations from a place of worship," the source said.
"As a result, the mosque lost its protected status and therefore became a lawful military target."
Full story here (CNN)