CONTESTANTS from MTV reality competition series The Challenge have descended on Gibraltar.

The cast filmed a lengthy shoot in the Upper Rock on September 30, before heading down to the Victoria Stadium to film some background shots.

The Challenge has been running on MTV since 1998 and this series has been titled The Challenge XXX: Dirty 30.

It has hit the headlines as contestants are unknowingly competing for a share of $1m dollars, the largest cash prize in the history of the show.