<p>At least 13 people were killed and 35 injured when a fire broke out at a nightclub in Thailand's eastern Chonburi province early on Friday, a police official said.</p>.<p>The cause of the fire is still unknown and all victims so far have been identified as Thai nationals, police said.</p>.<p>The fire at the Mountain B nightclub, southeast of the capital Bangkok, started at about 0100 local times (1800 GMT Thursday), Wuttipong Somjai, a superintendent at a local police station, told Reuters by phone.</p>.<p>Prime Minister Prayuth Chan-ocha has assured families of victims they will receive help from authorities and urged entertainment venues nationwide to ensure they have proper emergency exits and safety measures in place.</p>
<p>At least 13 people were killed and 35 injured when a fire broke out at a nightclub in Thailand's eastern Chonburi province early on Friday, a police official said.</p>.<p>The cause of the fire is still unknown and all victims so far have been identified as Thai nationals, police said.</p>.<p>The fire at the Mountain B nightclub, southeast of the capital Bangkok, started at about 0100 local times (1800 GMT Thursday), Wuttipong Somjai, a superintendent at a local police station, told Reuters by phone.</p>.<p>Prime Minister Prayuth Chan-ocha has assured families of victims they will receive help from authorities and urged entertainment venues nationwide to ensure they have proper emergency exits and safety measures in place.</p>