The fighting Hostile_encounter began Process_start when rebel fighters disguised Wearing as passengers on a public bus infiltrated Arriving the town .

It was estimated by U.S. intelligence analysts Scrutiny that , during 1965 , 4,500 PAVN troops were infiltrated Self_motion through Laos along with 300 tons of materiel each month .

Islamists targeted Aiming journalists , over 70 of whom were killed Killing , and foreigners , over 100 of whom were killed Killing , although it is thought Coming_to_believe by many that security forces Military_operation as well as Islamists were involved Cause_to_be_included , as the government infiltrated Attack the insurgents .

However , over 50 of the hamlets were soon infiltrated Becoming_a_member and easily taken over Conquering by VC who killed Killing or intimidated village leaders .