Denis Leary hails first responders to Boston Marathon explosions

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BOSTON, April 16 (UPI) -- Massachusetts-born comedian, actor and writer Denis Leary is praising first responders for their "astonishing heroism" following the Boston Marathon bombings.

Three people were killed and more than 180 injured in Monday's blasts. No one had claimed responsibility for the attacks and no arrests have been made as of Tuesday evening.

"Heavy regard for the Mass. State Troopers and National Guard members. They were everywhere yesterday," Leary, a Worcester native, said via Twitter Tuesday.

Earlier in the day, he tweeted, "Indestructible: Boston Fire, EMS, Police."

In a separate Tweet, he said: "Astonishing heroism by the EMTs, firefighters and police yesterday in Boston. True lifesavers."

Leary is the co-creator and star of "Rescue Me," the celebrated TV drama about a group of New York firefighters coping with the loss of their brothers in the Sept. 11, 2001, terror attack on Manhattan. He also is known for his charity work on behalf of real-life firefighters.