KAMCHATSKY, Russia, June 7, SPA -- A leak of two tons of ammonia from the Tomi Maru'53 ship in the fishery port of Kamchatka region' s capital Petropavlovsk-Kamchatsky has left one person dead and four others, injured, a source at the regional branch of the Emergency Situations Ministry said today. According to the Russian news agency Itar-Tass, survivors were taken to hospital in a medium-heavy condition after being intoxicated with ammonia vapors, he said. Works to eliminate the aftermath of the leak are in progress in the port where the ship was moored. The tanks that used to contain five tons of ammonia has been sealed and there is no need to evacuate population from the areas adjoining the port. The Tomi Maru'53 was built in Japan. It was arrested for poaching and handed over to the state. At the moment of leak, there were four people aboard the ship. Three of them managed to rescue themselves and the fourth person died. All the rescued men are workers of the Russian Marine Products company. -- SPA