Funerals have been held today for the youngest of the Boston Marathon bomb victims, and for the college police officer who authorities say was shot and killed by the suspects a few days later.

Martin Richard (Facebook)

The family of 8-year-old Martin Richard issued a statement saying, "The outpouring of love and support over the last week has been tremendous."

The boy was among three people killed when the two bombs exploded at the finish line.

The number of injured -- including people who sought treatment later -- now stands at 264.

Meanwhile, federal officials say the Boston Marathon bombing suspect's medical condition has improved.

Dzhokhar Tsarnaev had been listed in serious condition at a Boston hospital since he was captured Friday. On Tuesday, the U.S. attorney's office said his condition had been upgraded to fair.


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