UPDATE 1-Nigeria ready to reduce oil output to boost prices - statement

ABUJA, Feb 20- Nigeria is willing to reduce oil output to help secure higher prices, the spokesman for President Muhammadu Buhari said in a statement on Wednesday, after an envoy from Saudi Arabia called on the African nation to adhere to a deal on production cuts. Nigeria, a member of the Organization of the Petroleum Exporting Countries, is party to a pact to curb...