Suspected Boko Haram fighters launch four strikes on Lake Chad area

By Madjiasra Nako and Abdoulaye Massalaki N'DJAMENA/NIAMEY (Reuters) - Suspected Boko Haram militants launched four attacks over 24 hours on villages in Niger, Chad and Cameroon, killing at least seven people, security and administrative sources said on Wednesday. The Islamist militants are mostly based in northeastern Nigeria but have become a major threat to wider regional security by carrying out attacks in the lawless Lake Chad zone where the borders of Chad, Cameroon, Niger and Nigeria meet