PORT-AU-PRINCE, Haiti—A notorious Haitian gang known for brazen kidnappings and killings was accused by police Sunday of abducting 17 missionaries from a U.S.-based organization. Five children were believed to be among those kidnapped. The 400 Mawozo gang kidnapped the group—which also included some elderly people—in Ganthier, a commune that lies east of the capital of Port-au-Prince, Haitian police inspector Frantz Champagne told The Associated Press. The gang was blamed for kidnapping five priests and two nuns earlier this year in Haiti. The gang, whose name roughly translates to 400 “inexperienced men,” controls the Croix-des-Bouquets area that includes Ganthier, where they carry out kidnappings and carjackings and extort business owners, according to authorities. Ohio-based Christian Aid Ministries said the kidnapped group consisted of 16 U.S. citizens and one Canadian, for a total of five children, seven women, and five men. The organization said they were on a trip to visit an …