<p>At least nine explosions hit different parts of Plateau State in the centre of the country within an hour of each other late Friday, the Daily Sun reported. <br /><br />A police officer from state capital Jos was quoted as saying that seven people were killed. The newspaper said that other sources reported about 20 fatalities and a "score" of people injured.<br /><br />An unidentified group had warned that it would take measures to ensure that Christmas was not celebrated in the state, the report quoted military sources as saying.<br /><br />The newspaper said its own investigations showed the first bomb exploded in front of a Catholic church.<br /><br />Violence between Christian and Muslim groups in Nigeria has claimed several hundred victims this year.<br /><br />Observers have said the clashes are more than religious, as the Muslims, largely nomadic herdsmen from the north of the country, come into conflict with farming Christians from the south.<br /></p>
<p>At least nine explosions hit different parts of Plateau State in the centre of the country within an hour of each other late Friday, the Daily Sun reported. <br /><br />A police officer from state capital Jos was quoted as saying that seven people were killed. The newspaper said that other sources reported about 20 fatalities and a "score" of people injured.<br /><br />An unidentified group had warned that it would take measures to ensure that Christmas was not celebrated in the state, the report quoted military sources as saying.<br /><br />The newspaper said its own investigations showed the first bomb exploded in front of a Catholic church.<br /><br />Violence between Christian and Muslim groups in Nigeria has claimed several hundred victims this year.<br /><br />Observers have said the clashes are more than religious, as the Muslims, largely nomadic herdsmen from the north of the country, come into conflict with farming Christians from the south.<br /></p>