The BBC's Jeremy McDermott says Mr Makled is also believed to have been involved in the murder in Venezuela in 2008 of Wilber Varela - also known as "Soap", one of Colombia's most powerful drugs traffickers.

BBC: Colombia arrests 'major cocaine trafficker'

Healthcare staff must use soap and water to get rid of the bug, and hospital wards must be cleaned using more powerful disinfectants than usual to eradicate the bug.

BBC: NEWS | Health | Patients killed by new bug strain