BY NICHOLAS CASEY
MEXICO CITY—Guatemalan soldiers searched Tuesday for the culprits of a massacre in a remote province after the country’s president declared a state of siege there, a sign that Guatemala is escalating its own war against drug traffickers as violence spills over from Mexico.
The measures came the day after authorities blamed a Mexican drug cartel called Los Zetas for killing and decapitating 27 people in the remote El Petén province. Under the state of siege, security forces may conduct searches and make arrests without warrants, confiscate weapons and break up groups seen as subversive.
“Guatemala must take on this aggression, …