Boston police say there has been has been no arrest in the Boston Marathon attack, dismissing earlier media reports that a suspect was in custody.
The Federal Bureau of Investigation (FBI) says initial tests on a letter addressed to U.S. President Barrack Obama indicate the presence of ricin, a potentially fatal poison.
Kamil Samigullin has been unanimously elected the new mufti of Tatarstan at a congress of Islamic clerics in Kazan.
Iraq's Justice Ministry says authorities have executed 21 prisoners convicted for terrorism and links to Al-Qaeda.
Russia’s prosecutor-general says incidents of terrorism increased in 2012, mainly in Russia’s North Caucasus region.
Russian President Vladimir Putin has harshly criticized the performance of government officials ahead of an appearance by Prime Minister Dmitry Medvedev at the State Duma, or lower house of parliament.
A local official in Pakistan's South Waziristan tribal region says a U.S. drone has fired two missiles at a Taliban training camp.
A Kyrgyz lawmaker is asking for an investigation into the alleged recruitment of teenage fighters for Syria's civil war.
EU foreign-policy and security chief Catherine Ashton has begun a trilateral meeting with the prime ministers of Serbia and Kosovo aimed at normalizing relations between the two sides.
The death toll has increased in the aftermath of a suicide-bomb attack at an election campaign rally in northwest Pakistan on April 16.
The embezzlement trial of Russian opposition campaigner and anticorruption blogger Aleksei Navalny was adjourned for a week shortly after it began on April 17 in the northern city of Kirov.
The funeral service for former British Prime Minister Margaret Thatcher has ended in London.