这国总统参选人遭枪击，情况危急

Core Points - The article discusses the assassination attempt on Colombian presidential candidate Miguel Uribe Turbay, highlighting the critical condition he is in after being shot during a political rally [4][6]. - The weapon used in the attack was a legally purchased Glock handgun from Arizona, USA, indicating potential issues with gun control and security [3]. - The Colombian government has called for national unity against political violence and has offered a reward of 3 billion pesos for information leading to the perpetrators [9]. Summary by Sections - Incident Details - Miguel Uribe Turbay was shot three times in the head and chest during a political gathering in Bogotá and is currently in critical condition [4][7]. - A 15-year-old shooter has been arrested following the incident [8]. - Government Response - Colombian President Petro canceled his trip to France in light of the attack on Uribe [6]. - The government has issued a statement urging unity against political violence and announced a reward for information on the assailants [9].