SEABROOK, N.H. — The New Hampshire fireworks store that sold two mortar kits to a Boston Marathon bombing suspect is taking some heat for its July 4th sales fliers distributed in the city.

Phantom Fireworks in Seabrook, N.H., is advertising a “buy one get one free sale” and “no limits on quantity.”

Massachusetts Attorney General Martha Coakley tells the Boston Herald ( it’s insensitive.

Additionally, Mayor Thomas Menino urged people not to buy them.

Fireworks are legal in New Hampshire, but not in Massachusetts. It’s not illegal to advertise them in Massachusetts.

Some of the fliers made it into mailboxes in the Dorchester neighborhood where the family of the youngest marathon victim, 8-year-old Martin Richard, lives.

“I can only imagine how a family recovering from the attacks would feel getting an ad like that in the mail,” said Suffolk District Attorney Daniel Conley.

“It just hits too close to home.”

Company Vice President William Weimer said Phantom mails to past customers and “likely firework buyers.”

He said a potential backlash was considered, but said, “people that do bad things should not change life for everybody else.”

Tamerlan Tsarnaev bought the kits in February.

Weimer had said the amount of gunpowder the kits would have supplied wouldn’t have been enough on its own to detonate the bombs.

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