Nigeria war expands as Chad, Niger send troops to fight Boko Haram

Nigeria's military says it has reclaimed some towns seized by Islamist Boko Haram militants in the northeast. (Reuters)

By Kevin Sieff March 9

NAIROBI — The fight against Boko Haram is escalating, with troops from Niger and Chad crossing into northeastern Nigeria to fight the insurgency in a further sign that what began as a Nigerian problem has grown into a volatile regional one.
Nigeria war expands as Chad, Niger send troops to fight Boko Haram.odt by Thavam Ratna