Gunfire and U.S. helicopters over Caracas, Venezuela.

A power outage struck southern Caracas after explosions were reported near a major military base.

Source: Reuters

NOW: Caracas, Venezuela following U.S. airstrikes.

U.S. airstrikes targeting Generalísimo Francisco de Miranda Air Base in Caracas, Venezuela.

Venezuelan airspace, according to Flightradar data.

La Guaira, Venezuela.

Meanwhile, on pro-Maduro Venezuelan TV.

WATCH: Major secondary explosions after U.S. airstrike near Higuerote Airport, Miranda, Venezuela.

NEW: Sky News Arabia claims that the home of the Venezuelan Defense Minister and a port in the capital were hit by shelling.

NEW: FAA issued a NOTAM banning U.S. aircraft from Venezuelan airspace at all altitudes effective 0600Z, Jan 3 following explosions in Caracas, Venezuela.

Colombian President Petro:

Right now they are bombing Caracas. Alert to the whole world, they have attacked Venezuela

They are bombing with missiles.

The OAS and the UN must meet immediately.

NOW: Chaos in Caracas, Venezuela.

WATCH: Situation in Venezuela from the ground.

Venezuelan armored vehicles spotted on the streets of Caracas near the Miraflores Presidential Palace.

Trump administration officials say they are “aware of” reports of explosions and aircraft over Venezuela’s capital, Caracas.

Source: CBS News

A U.S. Air Force KC-135R “Stratotanker” aerial-refueling tanker has just appeared on flight-tracking data south of Puerto Rico.

WATCH: Footage likely showing American attack helicopter hitting hard a target in Venezuela.

BREAKING: Video reportedly showing U.S. helicopters striking Fort Tiuna in Caracas.

BREAKING: Trump ordered strikes on sites inside Venezuela, including military facilities, U.S. officials told CBS News.

Venezuelan security forces are pushing people and vehicles away from the Miraflores Presidential Palace in Caracas.

BREAKING: Maduro has issued a decree declaring a state of emergency in the country.