Condemnation and calls for restraint after Hamas attack on Israel

Incursion shocks international observers, particularly among governments of the Middle East

• Hamas launches surprise attack on Israel - live updates

International leaders condemned an unprecedented incursion by Palestinian militants into southern Israel, while governments across the Middle East called for restraint after an attack that shook the Israeli security establishment.

This attack is having a horrific impact on Israeli civilians," the UN high commissioner for human rights, Volker Turk, said in a statement, calling on Israel to avoid civilian casualties in its response.