\nU.S. health officials issued an advisory on Wednesday about travel to the Caribbean island of St. Martin due to concerns about a mosquito-borne virus.\n\nThe Asian tiger mosquito may spread to new areas as a result of global warming, a study shows. The CDC warns it's carrying Chikungunya virus in…

North-eastern Nigeria is under a state of emergency as Boko Haram attempts to create an Islamist state there. The Boko Haram group - whose name means "Western education is forbidden" - wants to establish Islamic law in Nigeria. Drive-by motorbike assassinations of politicians and policemen became…