BELGRADE (Reuters) - An attacker who fired a crossbow at a police officer guarding the Israeli embassy in Belgrade was shot and killed on Saturday in what Interior Minister Ivica Dacic called a terrorist attack against Serbia.

The policeman is in a life-threatening condition and is undergoing surgery, Serbian news agency Tanjug quoted Dacic as saying.

(Reporting by Ivana Sekularac; Editing by Alison Williams)