New Delhi: In an apparent terror attack, three bomb explosions ripped through the cheering crowd at the finish line of the popular Boston Marathon, killing at least three people and injuring over 140.

The two blasts occurred within seconds on a sidewalk along the 42-kilometre route of the Boston Marathon that once again brought the America face to face with the threat of terrorism.

Here are some reactions on the terror strike:

US President Barack Obama

Reacting strongly to the incidents of three explosions that rocked Boston, US President Barack Obama affirmed that his administration will find out the perpetrators and hold them accountable for the act.

Scenes of horror in downtown Boston
Major US cities on alert after blasts
Indian-Americans condemn Boston blasts
Boston blasts in pictures
Culprits will be held accountable: Obama

"We still do not know who did this and why. And people shouldn't jump to conclusions before we have all the facts. But make no mistake, we will get to the bottom of this," Obama said in an statement.

"We will find out who did this (and) why they did this. Any responsible individuals, any responsible groups will feel the full weight of justice," a grim but determined-looking Obama said in his White House statement to the press.

President Pranab Mukherjee

Condemning the blasts in the US city of Boston, President Pranab Mukherjee said the world should unite to combat the menace of terrorism.

Extending sympathy to the families of the blast victims, the President expressed the hope that the perpetrators will be brought to justice.

"Terrorism shows no respect for any boundary and the world should unite to combat this menace," the President said in Imphal.

Prime Minister Manmohan Singh

Prime Minister Manmohan Singh also condemn Boston bombings as he said: "We express solidarity with the American people in the struggle against terrorism."

UN Secretary-General

UN Secretary-General Ban Ki-moon said the bombing "is all the more appalling for taking place at an event renowned for bringing people together from around the world in a spirit of sportsmanship and harmony".

Speaking at a ceremony at UN headquarters commemorating the 19th anniversary of the Rwanda genocide, Ban called the Boston Marathon explosions "senseless violence", reported Xinhua.

"For now I just wanted to say that my thoughts are with everyone in Boston," Ban said, expressing his deepest condolences to the families of the victims and wishing those wounded a speedy recovery.

Canadian PM Stephen Harper

Canadian Prime Minister Stephen Harper said he was shocked to learn of the explosions. "It is truly a sad day when an event as inspiring as the Boston Marathon is clouded by such senseless violence," Harper said.

"Our thoughts and prayers are with those injured or affected by this horrible incident. We stand with our American neighbours in this difficult time," he said.

Australian Prime Minister Julia Gillard

Australian Prime Minister Julia Gillard said on Tuesday that they have been shocked by the tragic scenes in the US. Speaking at a press conference in Canberra, she condemned this as "brutal and senseless attack".

"Australia unreservedly condemns the brutal and senseless attack on what is a great event known around the world, and one people participate in to have fun as their families and friends watch on," Gillard said.

Indian-American community

Indian-Americans and the Muslim community in the US joined their shocked countrymen in condemning the Boston bomb blasts. "We hope that the perpetrators will be caught promptly, unlike after the Atlanta Olympics bombing, and punished to the fullest extent of the law," said Indian American Dr Shaik Ubaid, who is co-chair of the New York chapter of the Muslim Peace Coalition.

American media

The American media reacted with horror to the triple blasts at the Boston Marathon showed "how vulnerable the US homeland still is"."In Boston, explosions transform a scene of celebration into one of tragedy," said the Washington Post.

The Wall Street Journal in a similar vein said "Terror in Boston" was "A reminder of how vulnerable the US homeland still is."

"The Boston bombing is above all a reminder of the continuing need for heightened defences against terror threats," the Journal wrote."As the years since 9/11 without a successful homeland attack increased, the temptation was to forget how vulnerable the US is, and to conclude that the worst is over."


Latest News from World News Desk