As the news of Monday's horrifying bombings in Boston slowly sinks in, leaders around the world expressed their support for the victims and their families.
"The scenes from Boston are shocking and horrific - my thoughts are with all those who have been affected," British Prime Minister David Cameron said via a spokesperson, according to the BBC.
Russian President Vladimir Putin expressed his condolences to Barack Obama in a tweet, and separately offered Russian support for the investigation into the bombings.
The bombings in Boston killed three people and injured 140 when two devices exploded during Monday's Boston Marathon. The bombs rocked Copley Square, near the race's finish line, just before 3 p.m.
Take a look at the slideshow below for world leaders' expressions of sympathy.