Haiti has asked for foreign troops to be sent to the country to protect key infrastructure after the assassination of President Jovenel Moïse. The request was sent by the government to the US and the UN, but the US says it has no plans to offer military assistance 'at this time'. Haitian police earlier said a group of 28 foreign mercenaries killed the president on Wednesday. After a gun battle in the capital Port-au-Prince, 17 of them were detained. Some of the group, which Haiti says included retired Colombian soldiers, were held at the house they were using, others after