By Jana Choukeir, Ahmed Elimam and Robert Harvey DUBAI (Reuters) -Iran seized a tanker with Iraqi crude destined for Turkey on Thursday in retaliation for the confiscation last year of the same vessel and its oil by the U.S., Iranian state media reported, a move likely to stoke regional tensions. The seizure of the Marshall Islands-flagged St Nikolas coincides with weeks of attacks by Yemen’s Iran-backed Houthi militias targeting Red Sea shipping routes. “After the theft of Iranian oil by the United States last year, St Nikolas tanker was seized by Iran’s Navy this morning with a judicial orde…