Israel was blamed for a series of major explosions were reported around a military airbase near the Syrian capital of Damascus early Friday morning.

Syria’s sate run news agency and local media outlets attributed the airstrikes on the al-Mazzeh airport to the Israel Defense Forces.

The IDF, which doesn’t comment on foreign reports of military operations, refused to confirm the reports.

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State news agency SANA said Israel had launched the missiles from Israeli-held territory north of the Sea of Galilee.

“At 3:00 a.m., the Israeli enemy fired several surface-to-surface missiles from inside occupied territory,” the state news agency SANA said, citing a military source. The report said the Israeli missiles caused a large fire but no injuries or deaths.

The regime source also threatened “repercussions” against Israel over the strikes.

The Syrian military source called the alleged missile attack against the Mazzeh airbase part of “desperate attempts by the Israeli enemy to support terrorist groups and raise their low morale.”

There were no immediate reports of injuries from the strikes.

An AFP correspondent heard several explosions and saw a large fire inside military airport, with smoke ​visible across the capital.

Videos posted online purporting to show Friday’s attack showed several massive fires, with sirens wailing in the background.

The report of Israeli military action was the first in over a month. The last incident also involved an attack on the Mazzeh airbase. In early December Syrian state media reported that the IDF fired missiles from within “occupied” territory at an important Syrian regime airbase outside Damascus.

اندلاع ألسنة اللهب من محيط مطار المزة بعد عدة انفجارات متتالية في المنطقة

Rockets strike at Mezzeh Military airport in Damascus minutes ago pic.twitter.com/kTuobQ4nQT — Hadi Albahra (@hadialbahra) January 12, 2017

Officials in Jerusalem have said they take action to stop the transfer of advanced weapons to terror groups; over a dozen strikes inside Syria have been attributed to Israel.

The presence of Russian anti-aircraft batteries in Syria have reportedly complicated Israeli action in the war-torn country over the last year, with reports of missiles launched at targets inside Syria from Israeli or Lebanese territory.

Judah Ari Gross and AFP contributed to this report.