Dhaka, Nov. 23 -- The U.S. Federal Aviation Administration has warned airlines of a "potentially hazardous" and worsening security environment in Venezuela amid reports of possible U.S. action and a buildup of American military jets and warships near the country's Caribbean coast.

The Nov. 21 notice stopped short of advising carriers to halt flights over Venezuelan airspace but urged operators to exercise caution due to heightened military activity in and around the country.

Several international airlines have since suspended services to Venezuela. U.S. carriers ended direct flights in 2019 after Washington cut diplomatic ties following President Nicolas Maduro's disputed re-election that year.

Brazil's Gol, Colombia's Avianca and TAP ...