InterContinental Hotels Group (IHG) and Russia-based Crocus Group said today they have signed a deal to build the world's biggest Holiday Inn hotel in Moscow. Crocus Group will be investing $100m to build the 1,000 room hotel, which IHG will manage under a 20-year contract. Construction is slated to begin in 2010, with the hotel set to open in 2014. There are seven IHG branded hotels open in Russia and a further 13 in the pipeline making IHG the largest international hotel operator in Russia.