袭击事件连发，哥伦比亚全国部队进入一级戒备

Core Points - Colombia is experiencing one of its most severe security crises in decades, with at least 18 people dead and dozens injured from two major attacks on the same day [1][3] Group 1: Attack Details - The first attack occurred in Cali, Valle del Cauca, where a car bomb exploded on a busy street, resulting in 6 deaths and over 60 injuries. The explosion damaged nearby residential buildings [1] - The second incident involved a police helicopter, which was shot down by a drone while on a mission to eradicate coca crops in the rural area of Amalfi, Antioquia. All 12 police officers on board were killed [3] Group 2: Government Response - Following the attacks, the mayor of Cali declared a state of emergency and offered a reward of $10,000 for information [1] - Colombian Defense Minister Pedro Sanchez labeled the Cali attack as a "terrorist act" and confirmed that the drone attack was carried out by a faction of the former guerrilla group, the Revolutionary Armed Forces of Colombia (FARC) [3] - In response to the severity of the incidents, the Colombian military has ordered all troops nationwide to enter a state of heightened alert, ready to respond to new threats or attacks [3]