Nairobi: In the fertile grasslands of central Nigeria, the roar of a motorcycle is enough to instill fear in the Christian cattle herders stalked by an increasingly bloody conflict. The rev of an engine is the first sign that gangs of kidnappers have emerged from the forest for their latest sortie in a battle over diminishing farmland that appears to be drawn along sectarian lines.
Across Africa's most populous country, an undeclared war, triggered in part by climate change and fought over cattle, has turned Muslims and Christians against each other in a confrontation so bitter it threatens to tear Nigeria apart.
