A senior United Nations official who has been on a hunger strike in support of child victims of Israel’s war on Gaza says he was assaulted by the organisation’s security at its New York headquarters, an account the global body disputes. A United Nations spokesperson said the official fell while forcibly resisting an attempt to remove him from the premises after he was refused permission to demonstrate there. Bruno Donat, a 54-year-old senior UN humanitarian officer with US-Mauritian citizenship, has been on a hunger strike since March 1 forchild victims of the Gaza war. He halted his hunger st…