U.N. says tank shell hits its Aleppo office

GENEVA (Reuters) - A tank shell hit the United Nations office in western Aleppo on Sunday, damaging the top floors of a building that is well known to be the U.N. base in the contested Syrian city, a U.N. statement said on Monday. “It is appalling that the building that houses the U.N. offices was directly targeted," the top U.N. official in Syria, Ali Al-Za’tari, said in a statement. “We strongly condemn the increased violence in all of Aleppo, east and west, which has resulte