A gas explosion at a department store in Taiwan on Thursday killed four people and left eight hospitalized, fire authorities said.

Part of the store was under renovation, but it’s not clear if the work was connected to the explosion, Taichung Vice Mayor Cheng Chao-hsin told reporters at the scene.

In what appears to be a construction-related accident, an explosion at a mall in Taiwan killed four people an injured dozens including tourist, local officials reported Thursday. The cause of the blast which took place in Taichung,