a burst of gunfire

a call to arms

a ceasefire

a curfew

a ground operation

a militant

a shoot-out

a siege

an incident

a skirmish

a stronghold

a truce

an air strike

an ambush

an arsenal

an assault

an atrocity

arms caches

to redeploy

to regroup

to repel

to repress

to retaliate

to retreat

to rout

to scale sth down

to seize

to step up

to turn on sb

to wage war

to whip up

hostilities

mediation

on standby

poised for

reinforcements

restive

search-and-destroy

security compounds

to break through

to bolster

to build up

to call for

to call in

to call off

to call on

to call up

to counter-attack

to deploy

to detain

to crack down on something

to draw somebody into something

to fight off

to finish off

to harbour

to marshal

to mobilise

to overpower

to pull back