Unidentified gunmen murdered Guatemala’s main port union chief in front of his two young children, police said on Tuesday. Several men carrying 9-mm guns shot union boss Pedro Zamora as he drove home to Escuintla, two hours south of the capital late Monday night, police spokeswoman Olimpia Pineda said. Two of Zamora’s children, aged 3 and 5, were in the car at the time of the attack. Full Story