The head of the UNRWA (United Nations Relief and Works Agency) in Gaza, John Ging (R), visits the UN school that was hit earlier today by an Israeli strike in Beit Lahia, northern Gaza Strip on January 17, 2009. A woman and a child were killed early today in the Israeli strike on the UN-run school in northern Gaza where civilians were sheltering from the fighting, medics and witnesses said. Fierce clashes were underway around the school as Israeli tanks exchanged fire with Palestinian militants, they said. AFP PHOTO / MAHMUD HAMS (Photo credit should read MAHMUD HAMS/AFP/Getty Images)