Due to the Boston Marathon bomber manhunt, all shows on ABC, NBC, and CBS will not be airing tonight.
Safe to say ABC, CBS NBC and CW will be pre-empting tonight's entire lineup for coverage of #manhunt. Awaiting confirmation.
— Michael Ausiello (@MichaelAusiello) April 20, 2013
Correction: CW airing reg programming in most markets, NY -- which is running news -- among exceptions.
— Michael Ausiello (@MichaelAusiello) April 20, 2013