Chad declares state of emergency in Boko Haram-hit region

N'DJAMENA (Reuters) - Chad has declared a state of emergency in the Lake Chad region after a series of raids and suicide bombings there by militant Islamist group Boko Haram, the government said on Monday. Chad was instrumental in forcing Boko Haram to cede territory earlier this year, undermining its six-year campaign to carve out a Nigerian caliphate. Chad's Communications Minister Hassan Sylla Bakari said the order, effective immediately, would grant authorities new powers to search and monit