Firefighters have rescued 24 people who were stranded on a roller coaster at a US amusement park.

A roller coaster carrying 24 people has become stuck near the top of the ride and firefighters are trying to rescue them at a US amusement park.

US stocks managed modest gains today as investors saw a series of corporate acquisitions as a chance to pick up bargains in an otherwise difficult market. Another record high for oil prices muted the gains.