'Dark Knight' more than 2.5 hours long

Christopher Nolan's The Dark Knight has a running time of more than two and a half hours.

According to the British Board Of Film Classification (BBFC), the Batman Begins sequel is 152 minutes long.

The BBFC has granted the movie a 12A certificate.

The film is the longest in the superhero franchise, with its predecessor carrying a running time of 140 minutes.

Recent lengthy summer blockbusters include Spider-Man 3 (139 minutes), Transformers (144 minutes) and Pirates Of The Caribbean: At World's End (168 minutes)

The Dark Knight is released in the UK on July 25.