article_snippet.sent: Security officials said the leaders of the brigade in charge of protecting the entire area fled.
article_snippet.sent: Rebels protesting against an arms embargo .
article_snippet.sent: However, some fighters, suspected of being loyal to Saleh, clashed with the militants.
article_snippet.sent: The U.N. Office of the High Commissioner for Human Rights said that at least 364 civilians are reported to have been killed since the start of the airstrikes at the end of March, including at least 84 children and 25 women.
article_snippet.sent: This is in addition to hundreds of fighters killed.
article_snippet.sent: The resolution targets Shiite rebels.
highlights_snippet.sent: Came amid chaos pitting rebels against forces loyal to exiled president .