Meb Keflezighi won the Boston Marathon, becoming the first American to do so since 1983. The women's race saw Rita Jeptoo, of Kenya, set a new course record.
It has been confirmed there were two explosions in Copley Square at the finish line during the Boston Marathon this afternoon. The explosions have caused mass chaos in the area that has now been blocked off.
There is no news on how many fatalities there is, if any...