(Adds no casualties) GAZA, May 19 (Reuters) - A convoy carrying a top aide to President Mahmoud Abbas's intelligence chief in the Gaza Strip came under fire on Saturday despite a new ceasefire deal between the rival Hamas and Fatah factions, security sources said. It was not immediately clear who attacked the convoy, which was carrying senior intelligence aide Mohammad al-Masri of Fatah. Security sources said he was unharmed.
