Google Maps(CNN) - Rescuers on Sunday mounted a desperate search for survivors after a dam at a Siberian gold mine collapsed on Saturday, killing at least 15 people. Six people remained unaccounted after the dam collapsed near a settlement on the Seiba River in the region of Kransnoyarsk, approximately 2,500 miles east of Moscow, the Russian Emergencies Ministry for the Krasnoyarsk Region said. The ministry released images of first responders arriving in the remote region of Shchetinkino by helicopter to conduct search and rescue operations. According to the Emergencies Ministry, 174 people lived in the settlement. Krasnoyarsk Governor Alexander Uss said lax construction standards and weather conditions were among the possible causes of the dam break, Russian state news agency RIA-Novosti reported.

CNN(CNN) - Russia's ruling party appears to have lost multiple seats in Moscow's city legislature, according to preliminary voting results reported by state news agency RIA-Novosti. Self-nominated candidates aligned with United Russia, which supports President Vladimir Putin, are set to occupy 26 of 45 seats in the Moscow City Duma, RIA-Novosti cited Valentin Gorbunov, head of the Moscow Election Commission, as saying. United Russia previously held 28 seats, along with 10 self-nominated candidates backed by the party. Gorbunov said the Communist Party won 13 seats, and the Just Russia party and the liberal Yabloko party won three seats each, RIA-Novosti reported. Russian opposition leader Alexey Navalny claimed a tactical victory in the elections, saying that United Russia had suffered a major setback.

iStock/BWBImages(CNN) - Authorities in northern Russia detected a brief rise in radiation levels following a deadly explosion at a military training ground in the Arkhangelsk region, state news agency TASS reported Thursday. "The brief rise of the radiation level was registered in Severodvinsk at about noon," said Kseniya Yudina, a spokeswoman for the city, TASS reported. The Arkhangelsk regional governor told TASS that the area around the explosion would not be evacuated. State news agency RIA-Novosti, citing regional law enforcement, put the casualty toll higher, saying two people died and 15 were injured in the explosion. The agency told RIA-Novosti the incident occurred 30 kilometers from the city of Severodvinsk, and that circumstances were being clarified.