The brazen attack, captured on video, recalled the political violence of past decades. The senator arrived at a hospital in critical condition.

Uribe was speaking at a campaign event when gunshots rang out. He was shot three times, including in the head, and is "fighting for his life."

Colombian Senator Miguel Uribe, a potential presidential contender, remains in critical condition and has shown little response to treatment after being shot in Bogota, the hospital treating him said on Monday.