France is opposed to any Israeli ground operation in Lebanon and calls for an end to indiscriminate attacks against civilians, the ministry affirmed.
The number of refugees arriving at the northwestern border to cross near the Syrian city of Homs has doubled, according to the UN.
Deputy head Naim Kassem said the group would choose a successor for Mr Nasrallah to assume the secretary general position as soon as possible.
It also urged the international community to take decisive action to preserve regional peace and security.
“The future of our people and our prosperity are imperilled,” said the Lebanese foreign minister.
The war monitor said several people were injured.
Firass Abiad, the health minister, said thousands of families had also been displaced in Lebanon following the attack.
Three deaths were confirmed in Lebanon but none in Israel.
Israeli army spokesman Daniel Hagari said that Hezbollah had turned southern Lebanon into a battlefield.
The U.S., which denied any involvement in the blasts, said it was pursuing intensive diplomacy to avert an escalation of the conflict.
