At least 35 killed in massive gas station explosion in Russia's Dagestan region

A fire at a car repair shop spread to a nearby gas station, causing a massive explosion in Makhachkala, Dagestan.
At least 35 people were killed, including children, and over 100 injured in the devastating blast.
Witnesses described a huge fireball and scenes resembling a war zone.
Investigations are underway into the cause and whether safety standards were met.
Russia's President Putin expressed condolences as the region declared a day of mourning.