Mumbai Serial blast
A man injured by an explosion is assisted after arriving to a hospital in Mumbai Reuters

Leaders around the world have united in their condemnation of the bombings in Mumbai which have killed at least 21 people and injured more than 130.

Here are some of their statements:

“I strongly condemn the outrageous attacks in Mumbai, and my thoughts and prayers are with the wounded and those who have lost loved ones. The US government continues to monitor the situation, including the safety and security of our citizens. India is a close friend and partner of the United States. The American people will stand with the Indian people in times of trial, and we will offer support to India's efforts to bring the perpetrators of these terrible crimes to justice. During my trip to Mumbai, I saw first-hand the strength and resilience of the Indian people, and I have no doubt that the India will overcome these deplorable terrorist attacks.”
--US President Barack Obama

“I condemn the deadly terrorist attacks overnight in Mumbai,” Gillard said. Foreign minister [Kevin] Rudd said Australia was confident Indian authorities would track down the perpetrators and bring them to justice.”
-- Australian Prime Minister Julia Gillard

“On behalf of all Canadians, [my wife] Laureen and I offer our deep and profound sympathy and condolences to the families and loved ones of those killed and injured by these heinous acts of violence, including Canadians who may have loved ones in Mumbai.”
--Canadian Prime Minister Stephen Harper

The Secretary-General [Ban] condemns the attacks that have killed and injured many in Mumbai. No cause or grievance can justify indiscriminate violence against civilians. The Secretary-General expresses his solidarity with the Government and people of India, and extends his sincere condolences to the families of the victims.”
-- Office of UN chief Ban Ki-moon

“I send my deepest condolences to all those who have lost relatives or been injured in the bomb blasts in Mumbai. These were deplorable acts of terrorism. The UK stands firmly with India in the face of such atrocities. We are committed to working with the Indian government and our allies and partners to combat the threat from terrorism in all its forms.”
-- UK foreign secretary, William Hague

“President Asif Ali Zardari, Prime Minister Yousuf Raza Gilani, the government and the people of Pakistan, have condemned the blasts in Mumbai and expressed distress on the loss of lives and injuries.”
--Pakistan Foreign Ministry

We condemn the despicable act of violence designed to provoke fear and division. I will be travelling to India next week as planned. I believe it is more important than ever that we stand with India, deepen our partnership and reiterate our commitment to the shared struggle against terrorism.
--US Secretary of State Hilary Clinton

With the US-India strategic dialogue planned for next week in Delhi, these senseless attacks underscore that counter terrorism cooperation between the two nations must be a top priority.
--U.S. Congressmen Ed Royce, and Joe Crowley, Co-Chairs of the Congressional Caucus on India and Indian-Americans

The UAE condemns this terrible, appalling crime and affirms its full solidarity and standing with the Government of India in confronting these criminal acts.”
--UAE Foreign Minister Sheikh Abdullah bin Zayed Al Nahyan