Ugandan police said that a deadly explosion that killed one person and injured three others at a roadside eatery in the capital Kampala was an "act of domestic terror".

Police spokesman Fred Enanga said Sunday, that the attackers arrived at the popular grilled pork joint in northern Kampala at around 8:30 pm on Saturday carrying a plastic shopping bag that they placed under a table.

Shortly after leaving, an explosion ripped through the eatery.

Describing the explosive as crude and act of domestic terror, the police chief, said the suspects detonated the device after they left the scene. 

President Yoweri Museveni earlier said the blast seems to be a terrorist act and vowed to hunt down those responsible.

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