Detainee will be handed over to Iraqi officials after interrogation, US officials said.
The blast occurred about 60 miles (90km) north of Iraqi capital in the town of Muqdadiyah.
Isis claimed responsibility for the killings in Baghdad, as well as an attack on Abu Ghraib.
Group to learn about Daesh atrocities in bid to wean away UK youths from IS.
The book comes ahead of the release of the Chilcott report into Britain's role in Iraq war.
Bombings also reported in areas south of capital.
Soldier was filmed urinating on the bodies of dead Taliban insurgents during the Afghan war in 2011.
Protesters in Baghdad's Tahrir Square shouted slogans of 'no to corruption and the corrupt'
EXCLUSIVE: Only a third of claims, including for acts such as electrocution, have so far been settled.
Arms dealers using Facebook to sell a wide range of weapons to Hamas, Kurdish rebels, Isis and other Jihadists.
The suicide bombers targeted a Shia mosque in the Iraqi capital in a co-ordinated attack.
Torture device said to operate like an animal trap or metal jaw with teeth.
Nivarlain claim she was 'misled' by an ISIL member in Sweden to travel to Syria and later to Mosul.
Laptop-sized case containing 'highly dangerous' Iridium-192 went missing in Basra in November 2015.
'Dirty' bomb capabilities of missing Ir-192 yet to be confirmed.
More than 1,500 cadets were slaughtered after Isis seized Tikrit army base.
Jihadis found Hussein listening to music on a portable CD player in Mosul.
Officials are alarmed at the prospect of a dirty bomb if Isis gets its hands on the material.
The FTSE 100 jumped 2.87% on Wednesday 17 February, building on Tuesday's gains.
Oil ministers of Venezuela and Iraq are travelling to Tehran to discuss the issue.
Saudi Arabia, Russia, Venezuela and Qatar agree to freeze oil output at January levels.
The three were reportedly seized from a brothel in Iraqi capital in January.