UN chief Ban Ki-moon was to begin an unannounced visit to Israel and the occupied Palestinian territories on Tuesday after nearly three weeks of deadly unrest, a UN official told AFP.
"He will arrive today for a two-day visit to Israel and Palestine," the official said on condition of anonymity, without elaborating on his programme.
Ban's visit follows weeks of Israeli crackdown on Palestinian protesters in Jerusalem and the occupied Palestinian territories.
Israel that have raised warnings of a full-scale Palestinian uprising, despite international efforts to calm tensions.
US Secretary of State John Kerry is due to meet this week with Israeli Prime Minister Benjamin Netanyahu in Germany as well as Palestinian president Mahmud Abbas.