A member of the Shiite Huthi movement mans a checkpoint in Sanaa on January 3, 2015, as Huthi supporters attend the celebrations of the Prophet Mohammed’s birthday in the Yemeni capital.

A bomb explosion in a mainly Shiite Yemeni city on Sunday killed at least four people including a reporter and wounded 25 others, officials said.

The bombing targeted a gathering of Shiite Houthi militiamen, also known as Ansarullah, in Dhamar which the group controls, a security official said.

Saba, the official news agency, reported that three members of the “popular committees”, a local police force created by the Houthi militia, and a reporter lost their lives in the blast.

The journalist was identified as Khaled al-Washli, who worked for the Huthi-owned Al-Masirah television channel.

Al-Masirah confirmed Washli’s death on its Facebook page.

Saba said that members of the popular committees discovered the bomb at one of their buildings in Dhamar but it exploded as they tried to defuse it.

However, a security official in Dhamar told AFP the device had been planted in a vehicle, and gave a toll of six dead and 27 wounded.

This account could not immediately be confirmed from other sources.

The Huthis overran the Yemeni capital unopposed last September and have since advanced across other parts of the country.

They easily took over Dhamar, south of Sanaa, where they have the support of the city’s mostly Shiite population, but have met fierce resistance elsewhere from Al-Qaeda and Sunni tribal fighters.

On Thursday, almost 50 people were killed when a suicide bomber targeted a religious celebration by Houthi supporters in the mainly Sunni city of Ibb.

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