DUBAI (Reuters). -Three petrol trucks exploded in Abu Dhabi, killing three people. On Monday, a fire broke out close to Abu Dhabi’s airport. The incident was blamed on an Iranian-aligned Houthi group.

Houthi, which is fighting a Saudi-led alliance that includes UAE, has launched numerous cross-border drone and missile attacks against Saudi Arabia but few attacks have been claimed on UAE. Most of these attacks were denied by Emirati authorities.

According to state news agency WAM, three tanker truck explosions in Musaffah near oil storage facility ADNOC left six people injured and three others killed. Two Indians and one Pakistani were among the victims, it said.

Social media footage that was not verified showed thick black smoke rising from the Musaffah region.

Abu Dhabi police stated that initial investigations had found pieces of a small aircraft that may have been a drone on both locations that could have caused the explosions and fire.

According to the military spokesperson of the Houthi, the group has launched a military campaign “deeply in the UAE” which will be revealed in the next hours.

Reuters reached out to the UAE authorities but ADNOC didn’t immediately reply. A spokesperson for the coalition did not respond immediately.

UAE supported the coalition forces in fighting the Houthis within Yemen’s oil-producing regions Shabwa (and Marib)

In 2019, the UAE reduced its military presence in Yemen due to military infighting and rising regional tensions with Iran. However, Yemeni forces which it armed or trained continue to be in control of UAE’s military.

Houthis, the rebels who overthrew Sanaa’s internationally recognised government late in 2014 and prompted the coalition to intervene have stated that the Houthis would be able to use their military power to attack the UAE.

The UAE refuted reports in July 2018 that Houthis had attacked Abu Dhabi’s airport using a drone. Dubai International Airport stated that it continued to operate as usual a month after Houthi-run media claimed the terrorist group had launched an attack on its airport.

According to the Houthis, they claimed in December 2017 that they had fired a cruise rocket at Abu Dhabi’s nuclear plant. Emirati authorities refute this assertion.