Jerusalem: Energy Minister Eli Cohen said power was briefly disrupted, with electricity restored to most of those who were affected. Smoke rises from an oil refinery that was damaged in an Iranian attack.

An Iranian missile attack hit Israel's Oil Refineries in the northern port city of Haifa and cause "significant damage", media reports said.

Energy Minister Eli Cohen said power was briefly disrupted, with electricity restored to most of those who were affected.

"The damage to the power grid in the north is localized and not significant," Cohen said. "Also, in the barrage toward the north, there was no significant damage to Israeli infrastructure sites."

Police said bomb disposal units were at several sites in Haifa where munitions landed. No casualties were reported.

Israel's Ministry of Environmental Protection said debris from a missile that was intercepted fell in Haifa and is being examined as a hazardous materials incident.