[00:00.00]On the second day of a major offensive against the Taliban[00:03.62]in the southern Afghan province of Helmand,[00:05.71]NATO-led forces have killed 12 civilians by mistake.[00:09.57]A NATO statement said two rockets[00:12.01]veered off target.[00:13.49]Martin Patience reports.[00:14.82]According to military officials,[00:17.20]the two rockets were supposed to target insurgents[00:19.65]who they say were firing from a compound.[00:22.76]But the weapons missed their target by 300 meters,[00:25.90]killing the civilians in Marjah.[00:28.30]In a statement, NATO-led forces say[00:31.00]they've suspended the use of this particular rocket[00:33.54]while they investigate.[00:35.12]Despite the deaths, commanders say[00:37.61]the operation is proceeding as planned.[00:39.90]Progress, however, has been slow in Marjah town[00:43.11]as forces clear homemade bombs[00:45.14]and booby traps from roads and compounds.