Update - 7:15 PM Eisenberg called CNN during crisis

Standoff is over. Job well done to the negotiators. Clinton on her way to NH to “thank” everyone for their work.

From Associated Press:

Shortly after releasing the last of at least four hostages, Leeland Eisenberg walked out of the storefront office, put down a homemade bomb-like package and was immediately surrounded by SWAT team with guns drawn.

The suspect — clad in gray slacks, white dress shirt and a red tie — was put on the ground, handcuffed and taken two blocks to the police office in the back of a tactical response vehicle.

Update: 5:07PM - MSNBC’s Mike Memoli reporting Mitt Romney is locking down New Hampshire offices.

Memoli says the goal of NH campaign offices is to create an open environment where voters are welcome to just stop in and get a personal connection with candidates.

Update: 5:02 - Suspect is being identified as Leeland Eisenberg. Reports are that he told son to watch news today because something would happen. Believed to be carrying flares and presenting them as a bomb. Known to have been drinking before going into Clinton campaign office. Still a hostage situation, unknown how many people remain in building.

Clinton’s have cancelled all campaign events.

Update: 4:07PM Hostage-taker identified as a local with a well known history of mental illness

The suspect was a well-known local man with a history of emotional issues who allegedly told his son to watch the news, a well-placed law enforcement source told ABC News’ Pierre Thomas.

Update: 3:09 - Official statement:

“We are in close contact with state and local authorities and are acting at their direction,” Clinton said in a statement. “We will release additional details as appropriate.”

Update: 2:33PM - FOX reporting hostage taker demands to speak to Hillary & CNN reporting Edwards headquarters in addition to Obama headquarters have been evacuated.

Update: 2:28PM - Clinton has cancelled her DNC speech.

Update: 2:26PM - FOX News hearing reports that Obama campaign offices are being evacuated.

From MSNBC:

ROCHESTER, N.H. - A man took an unknown number of people hostage at a New Hampshire campaign office for Democratic presidential hopeful Sen. Hillary Clinton, police said Friday.

The man claimed to have a bomb strapped to him when he walked into the office in Rochester, WHDH-TV reported.

Police said they believe two hostages were being held and that the man had released an adult and a child.

Stay tuned to this thread for more information.