This post will be continuously updated throughout the day, with updates appearing at the bottom.
Mayor Michael Bloomberg:
"As law enforcement authorities investigate today’s explosions in Boston, I ask all New Yorkers to keep the victims and their families in your thoughts and prayers. I have spoken with Police Commissioner Ray Kelly, and the NYPD has stepped up security at strategic locations and critical infrastructure, including our subways. Some of the security steps we are taking may be noticeable, including deployment of Critical Response Vehicles and additional police personnel, and others will not be. We have 1,000 members of the NYPD assigned to counter-terrorism duties, and they – along with the entire NYPD and the investments we have made in counter-terrorism infrastructure – are being fully mobilized to protect our city."
Gov. Andrew Cuomo:
"Our thoughts and prayers are with the people of Boston and Massachusetts as reports come in on the horrific tragedy at the Boston Marathon. I have directed state agencies, including the Division of Homeland Security and Emergency Services, State Police, the MTA and the Port Authority, to be on a heightened state of alert as we learn more about this incident. New York National Guard on Sunday sent three vehicles and 6 soldiers to support the Marathon, and they are on hand to assist with emergency response and work together with local authorities following this incident."
City Comptroller John Liu:
"The bombings at the Boston Marathon show that cities must redouble their vigilance in combating acts of terror and sabotage. Our prayers go out to the families of those killed or injured."
"We're stepping up security at hotels and other prominent locations in the city through deployment of the NYPD's critical response vehicles (CRVs) until more about the explosion is learned."
"The MTAPD [MTA Police Department] is increasing patrols coverage and bag inspections. All security personnel will remind all employees to be vigilant. The increased coverage will continue until we fully understand the cause of the explosions in Boston. NYPD is also on alert and indicated they will give additional attention to the subway system."
Mary Wittenberg, president and CEO of the New York Road Runners:
"All of our thoughts and prayers are with the victims and their families of the bombings at the Boston Marathon today, as well as with the runners, spectators, volunteers and staff of the Boston Athletic Association (BAA). Marathons bring out the best of the human spirit and unite our cities and towns. This is a tragic day for all of us in the running community. We are here in full support of our close friends at the BAA. The safety and security of all New York Road Runners’ races is and will always be our top priority. We will continue to work hand in hand with the City of New York and the NYPD as we plan for upcoming events.
Public Advocate Bill de Blasio:
"This is a painful day for all Americans. My heart goes out to the families and friends of those killed and injured in today’s terrible explosions. We take resolve in witnessing the service and bravery of the police and first responders who ran to the blast area to save lives and help the victims. We have every confidence that working together, law enforcement will use its resources to bring the perpetrators to justice."
Assemblyman Phillip Goldfeder:
"We are deeply saddened and shocked by the recent news of the bombings that took place in Boston and while the details are still unfolding, our prayers are with the victims and families. My office has been in touch with our local precincts and our focus continues to be on keeping our community safe and secure. NYPD officials have already dispatched their officers to stay on high-alert and protect large-scale buildings, as well as critical mass transit locations throughout the five boroughs. I am asking everyone to stay vigilant, and please help our officers protect our communities by following the simple rule, if you see something, say something."