The United Nations has accused Israel of “severe violations” of a 50-year-old agreement with Syria, saying it has engaged in “engineering groundwork activities” that encroach on a key buffer zone in the Golan Heights.

United Nations peacekeepers are warning that the Israeli military has committed “severe violations” of a cease-fire deal with Syria as its military continues a major construction project along the so-called Alpha Line that separates the Israeli-occupied Golan Heights from Syria.

Israel has begun a construction project along a demarcation line that separates the Israeli-occupied Golan Heights from Syria, apparently laying asphalt for a road right along the frontier.