A fire in a Tver car park caused a gas tanker to explode, and fire fighters are still battling the blaze a day later, news reports said Thursday.
The fire, which broke out on Tver's Khrustalnaya Ulitsa just before 10 p.m. Wednesday evening, spread to four buses belonging to the Rosturservice tour operator, one minibus and two tankers containing flammable propane gas, RIA-Novosti reported.
One of the tankers later exploded, sending a mushroom cloud into the air, as seen in a video posted on YouTube.
Emergency officials said in a statement Thursday that there were no casualties and urged assured local residents that there is no need for concern.
The fire is "under control" and there is no risk of a second explosion, the statement said, adding that safety violations likely caused the blaze.
Police said in a separate statement that they have cordoned off the surrounding area and that traffic on Khrustalnaya Ulitsa has been partially disrupted.