Monitors in Syria said Friday that a cease-fire was largely holding on the first day of a truce between Russia, which backs Syrian President Bashar al-Assad’s forces, and Turkey, which backs some Syrian rebel groups.

So far, Norway has received 15 new F-35s, and three more are to arrive in May. Right now, Norwegian F-35s are on their maiden air policing mission in Iceland.

Two assailants on a motorcycle Friday attacked a Tunisian security forces checkpoint outside the U.S. Embassy in Tunis, blowing themselves up, killing one police officer and wounding four others plus a civilian. Police launched raids on the homes of the suspected bombers shortly after the attack.