Mideast tensions, inflamed by the 10-month-old war in Gaza, have escalated in the past few days following the assassination of Hamas political leader Ismail Haniyeh in Tehran on July 31, the day after an Israeli strike in Beirut killed Fuad Shukr, a top commander of Lebanese militant group Hezbollah.

The Foreign Ministry also advised against travel to Lebanon, Iran and Israel for the present, and urged Indonesian citizens in those countries to be on the alert and follow the contingency plans issued by Indonesia’s diplomatic missions there.

“Observing the recent developments in the Middle East, for the sake of safety and security, we advise Indonesian citizens to temporarily refrain from traveling to Lebanon, Iran and Israel until conditions improve,” the ministry said in a statement.

Hezbollah, which has traded fire with Israel since October last year, was again hit on Saturday during another deadly Israeli raid in the occupied West Bank. The following day, Hezbollah reportedly launched dozens of rockets on Beit Hillel in northern Israel, to which the Israeli air force responded with strikes on southern Lebanon.

Concerns over possible expansion of the war in Gaza have risen after Iran vowed “revenge” against Israel and the United States, which it blamed for last week’s assassinations of Haniyeh and Shukr, both high-ranking officials of Iran-backed groups.

Dozens of countries issued advisories over the weekend for their citizens to immediately leave Lebanon, including Australia, France, Japan, Jordan, Saudi Arabia, the United Kingdom and the US.

Foreign ministers of the Group of Seven major democracies have called on all parties involved in the Mideast conflict to avoid actions that could lead to an escalation, Italy's foreign minister said on Sunday, Reuters reported.

Former vice president Jusuf Kalla earlier expressed his concern about a wider regional conflict in the Middle East while on a visit to attend Haniyeh’s funeral on Friday in Doha, and also called for an end to the Israel-Hamas war.