The arrest of former Bosnian Serb wartime commander Ratko Mladic has been described as an historic moment and has prompted reaction from around the world.
The arrest comes 16 years after Mladic was first indicted by the United Nations (UN) war crimes tribunal for genocide.
US President Barack Obama: "Today is an important day for the families of Mladic's many victims, for Serbia, for Bosnia, for the United States, and for international justice. While we will never be able to bring back those who were murdered, Mladic will now have to answer to his victims, and the world, in a court of law.
UN Secretary General Ban Ki-moon : "This is an historic day for international justice. It marks an important step in our will to end impunity."
Nato Secretary General Anders Fogh Rasmussen : "Almost sixteen years after his indictment for genocide and other war crimes, his arrest finally offers a chance for justice to be done."
European Union foreign policy chief Catherine Ashton : "The arrest of Ratko Mladic is a very positive development for the European Union, for Serbia's neighbours, but most of all for the rule of law in Serbia itself."
Prime Minister David Cameron : "We should remember why the international community has been pursuing this man. He is accused of the most appalling crimes in both Srebrenica and Sarajevo."
Foreign Secretary William Hague : "The arrest of Ratko Mladic is a historic moment for a region that was torn apart by the appalling wars of the 1990s."
Former British Army Commander General Sir Mike Jackson : "I salute the Serbian authorities. Politically, it has not been easy for them, but they have done what they said they would."
Serbian President Boris Tadic : "Today we close one chapter, a chapter in our history, which brings us one step closer to full reconciliation in the region."
Serbian Ambassador to the UN Feodor Starcevic : "There was a genuine search for Mladic, and there was no hesitation from the government to apprehend him. As soon as they could, they did. It is a shame it took so long to find him, but it is better late than never."
French President Nicolas Sarkozy : "It's one more step towards Serbia's integration one day into the European Union."
Former US Secretary of State Madeleine Albright : "Mladic tried to become a conquering hero. Instead, he lived as a fugitive in obscurity and now faces years in custody. Justice works."