Dozens of Palestinians have been killed or injured by an Israeli strike on a multistorey residential building in Beit Lahiya, northern Gaza, local medics and officials in the territory have said. The government media office in Gaza, which is run by Hamas, put the number of those killed at 72. It said the strike on Sunday morning hit a residential building that housed six families. There was no independent confirmation of the reports or the reported death toll, which followed intensive Israeli bombardment of targets across Gaza in recent days. Israeli officials have previously accused authorities in Gaza of systematically