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. Last Updated: 07/27/2016

Arrests Made in Market Fire That Killed 18

ReutersAn investigator taking pictures outside the southwest Moscow warehouse where an early morning fire killed 18.

Two arrests were made Wednesday during the investigation of a fire that killed 18 workers at a construction materials market a day earlier, Interfax reported.

Police Wednesday arrested Vladimir Lykov, general directer of the company Start-2 and owner of the two-story metal building where the workers died. He is suspected of violating fire safety laws, but investigators are still determining exact charges. He can be held for 48 hours before the charges are announced.

Later in the day Sedrak Stepanyan, owner of the company Albaset that rented the now-gutted building were the fire raged, was also arrested.

"This organization rented and operated the warehouse where the fire occurred and organized work for illegal immigrants," a representative of the Investigative Committee told NTV.

Thefire atthe Kachalovsky market began just before 5 a.m. Tuesday andburned for over two hours before it was extinguished, but not before consuming abuilding where emergency services discovered thebodies of18 workers.

Alaw enforcement source told Interfax that theworkers were effectively trapped inthe metal structure, fitted tohouse theworkers.

"The dead workers atthe theKachalovsky market lived inmetal structures fitted with insulation materials. Inside they slept interribly crowded conditions ondouble-decker bunks installed intwo tiers. There was no direct exit onto thestreet fromthe structure," thelaw enforcement source said.

Thevictims, citizens ofTajikistan, were not registered atthe address where thefire took place, Federal Migration Service spokeswoman Zalina Kornilova said. She said theworkers were employed as warehouse loaders.

Thecause ofthe fire is still unknown, but law enforcement officials speculated thecause ofthe fire could have been a faulty heater used to dry clothes.