A bus accident south of Moscow took place in the early hours of Sunday, leaving five dead, and 21 injured, Russian authorities reported.
Russia's agency revealed that the accident occurred at 5:45 am local time in the Ryazan region.
"As a result of the accident five people died. 21 were injured," the agency noted, adding that the injuries were of "various severity".
The accident took place on a highway near the village of around 270 km (170 miles) south of Moscow, according to the reports.
Authorities pointed out that there was a total of 49 passengers on board. Police said it had opened a criminal case on violations of traffic rules.
In a separate accident, Five people were killed on Saturday in a house fire in the village of Khomotovo, near the Irkutsk region of Russia.
"An eyewitness reported that a fire broke out in a two-storey building in the village of Khomotovo in the Irkutsk region this morning, and when the fire engines arrived, the entire building was surrounded by fire," RIA Novosti news agency quoted the Russian Investigative Committee as saying.