Oct 11 (Reuters) - Following are security developments in Iraq at 1630 GMT on Sunday.

* denotes a new or updated item.

* MAHMUDIYA - Two people were killed and eight were wounded in a twin bombing at a market in Mahmudiya, 30 km (20miles) south of Baghdad, police said.

RAMADI - Three bombs killed at least 16 people and wounded scores more were injured on Sunday in Ramadi, 100 km (62 miles) west of Baghdad, officials said [ID:nLB155148].

TIKRIT - A roadside bomb wounded six policemen and five civilians when it struck a police patrol in central Tikrit, 150 km (95 miles) north of Baghdad, police said.

MOSUL - A roadside bomb injured a policeman in northern Mosul, 390 km (240 miles) north of Baghdad, police said.

MOSUL - A roadside bomb killed a civilian and wounded another in central Mosul on Saturday, police said.

MOSUL - Gunmen shot dead a university student in eastern Mosul on Saturday, police said.

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