Developments in Iraq on March 27

March 27 (Reuters) - Following are security incidents in Iraq on Monday as of 0930 GMT.

U.S. and Iraqi forces have been battling a Sunni Arab insurgency against the Shi'ite- and Kurdish-led interim government. The bombing of a Shi'ite shrine on Feb. 22 has been followed by a surge in sectarian attacks.

BAGHDAD - A policeman and three civilians were wounded when a roadside bomb hit a police patrol in southern Baghdad, police said.

BAGHDAD - Four mortar rounds landed in different districts of Baghdad wounding two civilians, police said.

BAQUBA - A mortar round landed on the Sadr office in Baquba, 65 km (40 miles) north of Baghdad, wounding two guards, police said.

MOSUL - Five policemen were wounded when insurgents threw a grenade at their patrol in the city of Mosul, 390 km (240 miles) north of Baghdad, police said.

BAGHDAD - At least one person was killed and three wounded when a car bomb exploded in Baghdad's Sadr city, a Shi'ite Muslim slum, police said, a day after 20 people were shot dead in a local mosque.

NEAR TIKRIT - Four people who work in the U.S. military base near Tikrit, 175 km (110 miles) north of Baghdad, were wounded when gunmen attacked them while they were heading to the base, local authorities said.