Pope Leo and the U.N. condemned the attack by Islamic State-linked extremists that killed 49 Christians in a church in the Democratic Republic of Congo, a predominantly Christian country.

Pope Leo has come out to condemn a brutal Isis attack on a church which left 49 Christian worshippers dead. The pontiff, alongside the UN, the US's State Department and a leading Christian group, have all reacted with fury to the mass killings - which saw militant Islamists kill dozens with knives and machetes.