Iraqi police commandos guard a bridge in Baghdad.
A second civilian was killed when gunmen stormed a home appliances store in the ethnically mixed east of the city, close to the ruins of ancient Nineveh, they added.
The army engineer was killed and a second wounded as they tried to make safe an improvised bomb planted by insurgents in the Sahaba neighbourhood in the west of the city.
Mosul has remained a hotbed of insurgent activity even as levels of political violence have fallen off in much of the rest of the country.
On Saturday, a roadside bomb targeting a police patrol killed one officer and wounded five.
On Thursday, three suicide bombers killed four police and a soldier in separate attacks in the city.
The province is split between Sunni Arab and Kurdish communities who are bitterly divided over the ambitions of Kurdish leaders to incorporate large parts of it into their autonomous region in the north. It also has Assyrian, Shabak, Turkmen and Yazidi minorities.
Al-Qaeda has exploited the ethnic and confessional differences to make the province one of its enduring strongholds in Iraq.
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The army engineer was killed and a second wounded as they tried to make safe an improvised bomb planted by insurgents in the Sahaba neighbourhood in the west of the city.
Mosul has remained a hotbed of insurgent activity even as levels of political violence have fallen off in much of the rest of the country.
On Saturday, a roadside bomb targeting a police patrol killed one officer and wounded five.
On Thursday, three suicide bombers killed four police and a soldier in separate attacks in the city.
The province is split between Sunni Arab and Kurdish communities who are bitterly divided over the ambitions of Kurdish leaders to incorporate large parts of it into their autonomous region in the north. It also has Assyrian, Shabak, Turkmen and Yazidi minorities.
Al-Qaeda has exploited the ethnic and confessional differences to make the province one of its enduring strongholds in Iraq.
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