The message reads:

Mr Vice President, on behalf of myself and the Russian Government, allow me to express condolences over the terrorist attack during the Boston Marathon. 

This barbaric crime resulted in the death and injury of children and adults, participants and fans of one of the world’s oldest sporting events.

We share the American people’s grief and pain. Please convey our sympathies to the families and friends of those killed, and our wishes for a speedy recovery to the injured.

Dmitry Medvedev