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Pennsylvania Governor Josh Shapiro has said he and his family had to evacuate his official residence after it was set ablaze overnight by a suspected arsonist.

Shapiro said he woke up in the middle of the night to authorities banging on the door of the home as a fire spread.

“Thank God no one was injured and the fire was extinguished,” Shapiro said in a statement on X.

The governor and state authorities say the fire was the act of an arsonist, though no arrests have been announced. No one was injured, Shapiro added.

The fire happened after Shapiro and his family celebrated the first night of the Jewish holiday of Passover at the Harrisburg home in the state capital.

State authorities said while the blaze was extinguished, it caused “a significant amount of damage to a portion of the residence”.

The governor and his family were in a different portion of the brick home when the fire was set, police said.

Authorities are offering a $10,000 (£7,644) reward for information that leads to any arrest in the case.