Israeli forces besieged two more Gaza hospitals on Sunday, pinning down medical teams under heavy gunfire, the Palestinian Red Crescent said, and Israel said it had captured 480 militants in continued clashes at Gaza's Israeli forces say hospitals in the Palestinian enclave where war has been raging for over five months have frequently been used as strongholds of Hamas militants harboring bases and weapons. Hamas and medical staff deny this. The Palestinian Red Crescent said one of its staff was killed when Israeli tanks suddenly pushed back into areas around Al-Amal and Nasser hospitals in the southern amid heavy bombardment ...