A fire late Sunday night has has damaged a landmark Omaha restaurant building. 

The fire was reported around 11 p.m. Sunday at the site of the former Mister C's steakhouse near 30th and Fort. A police helicopter's thermal imaging system was put to work helping firefighters attack hot spots.

No one was injured and the cause is under investigaion

The restaurant was one of several operated by the Caniglia family. It was opened as Royal Boy in 1954 and became Mister C's in the 1970s.

It closed in 2007.