Drug cartels are suspected of carrying out the brazen and brutal attack. President Otto Pérez Molina may declare a state of emergency in the area to respond to the violence.
The conviction on genocide charges of former dictator Efraín Ríos Montt may have been overturned, but now the world knows the brutality committed by his military regime in the 1980s.
Alfonso Portillo, a former member of ex-dictator Efraín Ríos Montt's political party, is the first former Latin American leader ever to be extradited to the United States.
The genocide trial of retired Gen. Efraín Ríos Montt and former intelligence chief José Mauricio Rodríguez has seen its ups and downs and frequent delays. But it came to an abrupt end following a whirlwind two days of hearings. Casey Cagley reports from Guatemala City.