A Wichita fire official says a blaze at a mosque in the city was intentionally set.

The fire last Halloween at the Islamic Association of Mid Kansas mosque caused about $120,000 in damage but no one was injured.

The Wichita Eagle reports the congregation was able to return to the mosque last Friday.

Fire Capt. Stuart Bevis said Wednesday test results from federal officials ruled out the last possible accidental source of the fire.

He says at this point, all leads in the case have been investigated.

The mosque was the first formal mosque in Kansas when it opened in 1978. It had received anti-Islam letters before the fire but Bevis says investigators weren’t able to prove a connection between the letters and the fire.