The boat was carrying 16 people to a birthday party . A private boat carrying 16 people collided with a cargo barge on the Moskva River in Moscow then sank , according to Russia 's RIA-Novosti official news agency . The party was on the Lena River in Russia . A crane is expected to arrive to help free the private boat , which is still deep under water .
The boat was carrying 16 people to a birthday party . The party was on the Lena River in Russia . A crane is expected to arrive to help free the private boat , which is still deep under water .