peter endean , who is seeking election in plymouth , devon , and is also ukip 's communications manager for the city , has apologise and claims he re-tweeted it by mistake .
' earlier , ukip 's deputy chair suzanne evans two weeks while trying to reach europe in make-shift boats launched by people smugglers from libya , with up to 950 perishing off the italian island of lampedusa over the weekend alone .
peter endean has apologised for retweeting a message mocking victims of the mediterranean refugee crisis .