Network late-night shows have been losing viewers for years, but Colbert‘s program is primed for a ratings bump right now.

Late Show” host Stephen Colbert insisted on announcing that his top-rated program would be canceled — just hours after finding out cash-strapped CBS would not renew his hefty contract, The Post has learned.

The demonstration outside the Ed Sullivan Theater on Monday was led by a group called Refuse Fascism. CBS News New York's Kristine Johnson reports.