President Gustavo Petro blames FARC dissidents for a cylinder bomb attack at the air base in the Colombian city. Twelve police officers were killed another attack in Antioquia

A major tragedy has struck South America, where a powerful truck bomb exploded at an air base in Cali, Colombia. The attack, which occurred amid ongoing bomb blasts and political assassinations in the country,

CALI, Colombia (AFP)-Colombia on Friday promised to counter the threat from "desperate" armed groups after twin guerrilla attacks killed 19 people and deepened the country's worst security crisis in decades.