Bombers targeted staff at Israel's embassies in India and Georgia on Monday, wounding four people, and Israeli Prime Minister Benjamin Netanyahu accused Iran and its Lebanese Hezbollah of involvement.

Israel had put its foreign missions on especially high alert ahead of the Feb. 12 anniversary of the assassination, in 2008, of the military mastermind of Lebanon's Hezbollah guerrillas, Imad Moughniyeh.

Hezbollah had vowed to avenge Moughniyeh's death in a Damascus car-bombing, blaming it on the Jewish state.

Israel is also believed to be locked in a wider covert war with Iran, whose nuclear programme has been beset by sabotage, including the unclaimed killings of several scientists.

The New Delhi bomb wrecked a vehicle with diplomatic plates and Israel's parliamentary television channel said the wife of Israel's defence attache and her driver were among four people hurt. The Tbilisi bomb was defused safely by Georgian police.

The New Delhi blast took place some 500 metres from the official residence of Indian Prime Minister Manmohan Singh.

"I heard a bomb blast near the petrol pump. I went to see what happened and the next thing I saw was the car ablaze. There was a lady and a driver inside the car. The people pulled them out of the car," said Ravi Singh, a witness.

A number of witnesses told Indian television they saw two people on a motorbike sticking a device onto the rear of the car when it stopped at a traffic signal.

Georgian police prevented a similar incident, defusing a bomb found in a car of an Israeli embassy staff member.

"Iran denies role"

Addressing lawmakers from his Likud party in Jerusalem, Netanyahu linked the incidents to allegations of similar but foiled attacks in Thailand and Azerbaijan last month for which, he said, Iran and its "proxy" Hezbollah were responsible.

But, Iran dismissed Israeli accusation on embassy attack.

Iran rejects as "sheer lies" accusations that it was involved in a bomb attack on the Israeli embassy in India, the official IRNA news agency quoted the Islamic Republic's ambassador to New Delhi as saying on Monday.

"Any terrorist attack is condemned (by Iran) and we strongly reject the untrue comments by an Israeli official," Mehdi Nabizadeh was quoted as saying by IRNA. "These accusations are untrue and sheer lies, like previous times."