Las Vegas gambling revenues are falling for the first time since 2001, adding to evidence that the US economy is on a losing streak.

The city has been on a roll, fuelled by increased tourism and domestic spending, with visitors flocking to a new generation of resort casinos that have sprung up along the Las Vegas Strip. But with belts being tightened, not even the weak dollar and high-spending international tourists have been able to pull Las Vegas out of a slump.