"We believe that there is no place for any Iranian military presence, anywhere in Syria", Prime Minister Benjamin Netanyahu told his parliamentary faction on Monday.
Russian Federation said on Monday only Syrian army troops should be on the country's southern border with Jordan and Israel, after Washington warned of "firm measures" over truce violations in the region.
Along with Idlib province in the north, Daraa is one of the last areas of territory still held by rebels after a Syrian government push to recapture areas lost during the seven-year war. By that, he implied a USA and Turkish military presence is unwanted in Syria.
In addition to violence inside Syria, Daraa's location on the border of the Israeli-occupied Golan Heights makes any operation there highly sensitive.
Netanyahu's statement, delivered at the opening of the Likud's session in the Knesset, echoes recent statements made by Russia's Foreign Minister's Sergey Lavrov, who said that Syria alone should be allowed to have military forces at its border with Israel.
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US National Security Adviser John Bolton will reportedly meet with his Israeli counterpart, Meir Ben-Shabat, in Washington on Tuesday to discuss a joint approach to Iran.
While Syrian government forces dropped leaflets on Deraa's rebel-held areas, the Lebanon-based Al-Mayadeen TV, which has reporters embedded with Syrian troops, said the army is sending reinforcements to southern Syria in an apparent preparation for an offensive.
For the negotiations, Iran's ambassador to Jordan, Mostafa Moslehzadeh, stayed in a hotel room with Iranian security personnel next door to a room of senior Israeli security officials, including the deputy head of Mossad, Elaph reported.
After months of diplomacy between Jerusalem and Moscow, the two sides reached an understanding that Iran should be kept away from Israel's northern border with Syria, Channel 2 News reported on Monday evening.
Jordan said on Monday it was discussing south Syria with Washington and Moscow, and all three agreed on the need to preserve the ceasefire, which reduced violence since they brokered it a year ago.
Elaph sources said Iran understood that its heavy losses in Syria resulted from Israeli attacks in the country.