A military spokesman told the BBC, two car was driven into the army jia guitar said "surprising and embarrassed".
It is not clear who is responsible for the attack.
But the army suspected islamic militants bo family shrine, recently according to the state of the church.
The group to overthrow the government and also a kind of extreme forms of islamic law, islamic law.
The BBC will Ross in Lagos said, christians and church often targeted, this event looks more like a direct military attack.
Last Friday, Nigeria military provide rewards for 50 m naira ($317000; 197709 pounds) in tracing doubt bo family shrine ABuBaKa leader's Shekau help, and other suspected leaders group of 10 meters each.
"Curious worshiper"
The military said, a bus into the camp, and in the walls of the church of the explosion.
Ten minutes later, a car bomb outside the church.
"The first explosion caused no casualties and curious believers gather in the debris... this is the second time the blast occurred," military spokesman said.
Witnesses report said, see institution in site, the people in the stretcher is away.
Kaduna in June and his revenge, and in the explosion event, killing at least 50 people were killed.
Is almost a month ago in the Roman Catholic state suicide bombers 7 people dead.
KaDuNaZhou Nigeria are mainly Christian south and north, there is a large Muslim majority demarcation line.




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