As Hezbollah prepares to hold an elaborate funeral Sunday for its slain leader Hasan Nasrallah, the group he led for more than 30 years is struggling with a looming financial crisis after traditional supply lines of money from Iran have been severed.

The Lebanese army fired tear gas on Saturday at Hezbollah supporters protesting around Beirut airport against Lebanon blocking an Iranian flight to Beirut this week after the Israeli military accused Tehran of using civilian aircraft to smuggle cash to Beirut to arm the Lebanese group.

Lebanon barred Iranian airlines Mahan Air and Iran Air from flying to Beirut because they are used to transfer funds to Hezbollah.

Lebanon blocked an Iranian airliner from flying into Beirut Thursday after Israel accused Iran a day earlier of using civilian flights to deliver cash to Lebanese terror group Hezbollah. The chief executive of Tehran’s Imam Khomeini International Airport,

Under a truce brokered by Washington in November, Israeli troops were granted 60 days to withdraw from southern Lebanon where they had waged a ground offensive against fighters from Iran-backed Hezbollah since early October.

Recent statements by Islamic Republic officials indicate Tehran’s staunch commitment to rebuilding Hezbollah’s capabilities and achieving “final victory.” These threats may signal a renewed escalation in the region after Israel’s crippling blow to Iran’s missile arsenal and the collapse of the Islamic Republic’s Syrian ally.

There is an increased Iranian effort to smuggle money to Lebanon for Hezbollah in order to restore its power and status, including via Turkey and through its cooperation," said Israeli

Hezbollah supporters demonstrated for the third consecutive day and tried to block the main road leading to the airport to denounce authorities for bowing to Israeli "threats" by prohibiting an Irania

Israel's army has pulled out of southern Lebanese villages but remains in five positions, as a delayed withdrawal deadline expired Tuesday under a ceasefire deal with Hezbollah.The ceasefire between Israel and the Iran-backed militant group has been in effect since November 27,

Hezbollah supporters also blocked Beirut airport in response to the Lebanese ban on incoming flights from Iran.