Hezbollah helped by the Iranian Revolutionary Guard is responsible for the terrorist attack at the airport of the Black Sea city of Burgas, where a bus carrying Israeli tourists exploded Wednesday afternoon, Israel's Foreign Minister Avigdor Lieberman says.

The news was reported by the Bulgarian National Radio, BNR.

Speaking for Israel's public radio, Liberman stated that the above was confirmed information.

He indicated that Israel was facing a "global terrorist war financed and organized by Iran."

Defense Minister Ehud Barak also accused Iran and Hezbollah.

"We are facing a global wave of terror... the attack in Burgas was led by members of Hezbollah and sponsored by Iran," Barak said.

It was reported early Thursday that two more people died from their injuries in the hospital overnight, bringing the death toll to 8. The number of wounded is 37. They were admitted to hospitals in Burgas. The three most critical were transported overnight by a government military plane to Sofia.

One Bulgarian citizen is among the victims. He has been identified as M.K., 36, the driver of the blasted bus, which was supposed to carry the group of Israeli tourists to the Sunny Beach resort.

Some of the Israeli tourists will be taken back home on the government Airbus, on the order of Prime Minister, Boyko Borisov.

The investigators remain at the premises questioning witnesses and examining tapes from security cameras.

Security has been upped in hotels where Israeli tourists are accommodated.

The US CIA and the Israeli Mossad are, reportedly, investigating the attack.

Borisov announced earlier Thursday that the terrorist attack is most likely the works of a suicide bomber. The information was confirmed by his Deputy, Interior Minister, Tsvetan Tsvetanov. Tsvetanov also backed reports that the man had a fake driver's license from the US state of Michigan.

On Wednesday, Israeli Prime Minister Benjamin Netanyahu publicly accused Tehran and Hizbullah of involvement in the attack.

"All the signs point to Iran," Netanyahu said in a statement, which said the blast was the latest in a string of attempts to attack Israelis in Thailand, India, Georgia, Kenya, Cyprus and other places.

In a phone call to Borisov, Netanyahu "indicated that Iran and Hizbullah were conducting a global terror campaign against Israelis across the world.

The explosion in Bulgaria was the deadliest attack on Israelis abroad since 2004.

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