The firecrackers set off a fire on Saturday at the unauthorised warehouse at the Muno market in Su-ngai Kolok district in the southern province of Narathiwat bordering Malaysia, Narathiwat's Governor Sanan Phongaksorn said.
"There are 10 deaths plus the remains of two unidentified persons, which were sent for DNA checks," Sanan said.
He said 121 people were injured, two severely, while 111 had been discharged from hospital, he said. "But there should be no more deaths."