Arsenal’s long-awaited Premier League triumph is being felt far beyond north London — including on the streets of Freetown, Sierra Leone, where devoted Gunners fans are celebrating a title many thought they might never see.

Arsenal’s long-awaited Premier League triumph is being felt far beyond north London — including on the streets of Freetown, Sierra Leone, where devoted Gunners fans are celebrating a title many thought they might never see.

Arsenal F.C. have been crowned Premier League champions for the first time in 22 years after Manchester City F.C. failed to beat AFC Bournemouth on Tuesday. City needed a victory to keep the title...