Australian casino firm Crown buys one-fifth of luxury restaurant chain Nobu

File photo of Nobu Hotel officials pose for photographers during the opening ceremony in Pasay city, Metro Manila in the Philippines May 18, 2015. Seen here are (L-R) Hollywood Producer Meir Teper, Melco Crown Entertainment Co-Chairman James Packer, Chef Nobu Matsuhisa,... REUTERS/ERIK DE CASTRO