UNITED NATIONS Iranian doctors, nurses and other health workers demonstrate in solidarity with the Palestinian health care teams in the Gaza Strip and against Israel, in front of the Tehran Azad university, on August 25. World powers and NGOs voiced shock at the killing of five journalists among 20 victims reported by Gaza's civil defense agency in an Israeli strike on a hospital on Monday in the town of Khan Younis. Prime Minister Benjamin Netanyahu said " Israel deeply regrets the tragic