Three killed in gas blasts in Abu Dhabi, Dubai
"According to on-site investigations, the incident was caused by a misalignment in the gas container fittings following refuelling," it said.
"Unfortunately, two victims lost their lives -- one near the site of the incident, and a second passer-by who was hit by debris."
Police in the United Arab Emirates said others sustained minor to moderate injuries.
Such incidents are rare in the ultra-modern UAE, which follows strict health and security measures.
He said the fire was brought under control within 33 minutes, and that investigations were underway.