evidence: DUBLIN — Jeffrey Donaldson, the leader of the Democratic Unionist Party, resigned Friday after being charged by police with sexual offenses — a political shock that could destabilize Northern Ireland’s just-revived government. Donaldson, 61, was arrested Thursday and charged that night. Police provided no detail beyond describing the charges, in a written statement provided to POLITICO, as "non-recent sexual offenses." The DUP said in a statement that Donaldson had resigned as party leader "with immediate effect," ending his nearly three-year reign atop Northern Ireland’s main pro-British party. It said Donaldson had confirmed the charges against him in a letter to the party’s chairman.