This is what's left of a mosque in Khan Younis after a night of air strikes by Israeli forces that killed five people and injured nine.br br Israel says it targeted 20 locations across the strip ---- several homes including these in Gaza city were reduced to rubble.br br First responders working to to put out the blaze say they're in a constant state of alert.br br SOUNDBITE: Gaza fire fighter Rida Dayya saying:br br "This is a civilian house; it was attacked earlier. The fire fighters are facing a hard situation as they continue working here, because we've been warned this place is about to be attacked again.