An explosive device killed 13 people travelling on a bus in southwestern Colombia on Saturday, an attack the country's army chief described as a "terrorist act" that also left at least 38 injured as violence linked to drug trafficking in the region escalates. (Pics/AFP)

Iran reversed its decision to reopen the Strait of Hormuz and warned that it would continue to block transit through the strait as long as the US blockade of Iranian ports remained in effect. (Pics/AFP)