Three people, including a US military service member, were killed and 18 others were injured on Tuesday in a rocket and mortar attack on the heavily fortified Green Zone in Baghdad, the State Department said. The US embassy in the Iraqi capital “is currently aware of three fatalities, a US military service member, an Iraqi citizen and a third of unknown nationality,” a department statement said. “We are also aware of approximately 18 injured people, among them five US citizens, two of them service members, and three US contract employees,” it said.The statement said without giving details that “multiple rounds of indirect fire” were launched at the international zone on Tuesday afternoon. Iraqi police said that around 30 mortars and rockets were fired at the compound, which houses the Iraqi government and US embassy.