The Israeli military fired missiles into Syria after its troops got shot on a patrol near the Syrian frontier on the Golan Heights.
The Islamic republic will host a meeting on the Syrian crisis on May 29, Iranian Foreign Ministry spokesman announced on Tuesday.
A total of 95 people, including 23 Hezbollah members, have been killed in an intense fighting in Syria's central city of al-Qussair over the past 48 hours.
At least nine people were killed and 53 others wounded in bombing attacks against two Shiite mosques in Iraq's southern city of Hilla on Monday, a police source said.
At least 13 people were killed and 72 wounded in a series of car bomb attacks in the Iraqi capital of Baghdad and the southern city of Basra on Monday.
Israeli Prime Minister Benjamin Netanyahu held out the prospect on Sunday of further Israeli strikes inside Syria.
A senior commander in Iran's Revolutionary Guard has warned that his forces will be on watch for possible unrest after next month's presidential election.
Opposition says new assaults may render peace efforts 'meaningless'.
At least three people were killed and five others wounded when a car bomb ripped through Damascus' district of Ruken Addien Saturday night, Syria's state TV said.
A roadside bomb went off near a church in the Syrian capital of Damascus on Saturday, killing four people, witnesses told Xinhua.
Bombs tore through markets in Baghdad and a suicide attacker blew himself up in a mosque in northern Iraq in violence across the country that killed at least 25 people.
Bomb attacks in Shi'ite areas of Baghdad and in N Iraq killed more than 35 people, following weeks of violence by Sunni Islamist insurgents determined to unleash sectarian confrontation.