Authorities in Guatemala say they have seized hundreds of weapons and made several arrests in a crackdown against suspected drug gangs.<br /><br />The province of Alta Verapaz in Guatemala's indigenous highlands has been under a state of emergency, as government forces try to root out traffickers from neighbouring Mexico.<br /><br />Soldiers are patrolling towns in the area. Their mission is to dismantle the criminal organisations and to help the local police to restore order, according to Col Marco Tulio Vasquez.<br /><br />The Zetas drug gang, however, has threatened all-out war in their latest message to be broadcast on local radio stations. <br /><br />Al Jazeera's Craig Mauro reports from the city of Coban, in Alta Verapaz, Guatemala.