FACTBOX-Security developments in Iraq, April 2

(Reuters) - Following are security developments in Iraq as of 4 p.m. British time on Monday:

* denotes a new or updated item.

* BASRA - One British soldier was killed and a second wounded when their patrol came under fire in Basra, British military spokesman Major David Gell said. It was the second British soldier to be killed in two days.

BAGHDAD - Five Iraqi soldiers were wounded when their patrol was the target of a roadside bomb in the Baghdad district of Adhamiya, near the Sunni Abu Hanifa mosque.

KIRKUK - A lorry bomb killed 12 people and wounded around 150 in the northern Iraqi city of Kirkuk, police said.

KHALIS - A suicide bomber killed three people and wounded 20 when he detonated his explosive belt near a popular restaurant in the town of Khalis, 80 km (50 miles) north of Baghdad, police said.

NEAR BAQUBA - The bodies of 21 men, including 19 who were kidnapped by gunmen at a fake checkpoint near Baquba on Sunday, were found bound and shot in the head and chest, Iraqi police and hospital sources said.

DOUR - Iraqi and U.S. forces arrested at least 50 suspected insurgents, including the mayor of Dour, during an operation in the town that began on Saturday, the U.S. military said during a news conference in Tikrit. Dour is near Tikrit, 175 km (110 miles) north of Baghdad.

BAGHDAD - A suicide car bomber rammed his vehicle into an Iraqi police checkpoint, killing two people and wounding five in the Doura district of southern Baghdad, police said.