By Julia Symmes Cobb BOGOTA (Reuters) -Colombian Senator Miguel Uribe, who has been hospitalized since he was shot in the head earlier this month during a campaign event, has been transferred to emergency surgery for a brain bleed,

Doctors treating Colombian presidential hopeful Miguel Uribe Turbay have warned that he is in an "extremely critical condition" after being shot in the head 10 days ago. Uribe underwent emergency surgery on Monday to stem a bleed to the brain,

The assassination attempt on the presidential hopeful has rattled the country, which fears a return to darker days.