Russia has reportedly launched a 'terrorism probe' into the blasts.
The blasts in the heart of Russia has triggered off fear in the country.
Twin blasts rip through Moscow metro stations
Twin blasts ripped through Moscow metro stations on Monday, Mar 29 killing as many as 25 people and injuring over 15.
The explosions rocked two metro stations in the rush hour as the stations and the trains were teeming with thousands of commuters.
First blast rocked Lubyanka station in central Moscow.
"The blast hit the second carriage of a metro train that stopped at Lubyanka, at 0756 (0356 GMT)," Russian emergencies ministry spokeswoman Irina Andrianova is quoted as saying in media reports.
The station may have been targeted as headquarters of Russia's Federal Security Service (FSB) is located just above it.
The blast is suspected to have been triggerred off by a suicide bomber.
As per reports in Russian news agencies, the second blast occurred about 45 minutes later at Park Kultury station.
"This blast rocked Park Kultury at 8:38 am (0438 GMT)," Interfax quoted a source in security bodies as saying.
10: 46 AM