Seventeen members of the Revolutionary Armed Forces of Colombia were arrested April 26 in Santander de Quilichao, Cauca department, while allegedly planning to steal a helicopter's cargo, W Radio reported.

A U.S. citizen identified as Timothy Hallet Tracy has been detained in Caracas for allegedly funding a Venezuelan opposition group to fuel violence and create anti-government chaos in the country, Venezuelan Minister of the Interior and Justice Miguel Rodriguez Torres said at an April 25 news conference, El Universal reported.

U.S. Defense Secretary Chuck Hagel said April 25 that the United States has evidence chemical weapons have been used in Syria, CNN reported. Hagel said that evidence suggests limited amounts of sarin have been used by the Syrian regime. Previously the United States had said that the Syrian government's use of chemical weapons would be a "game changer" on U.S. policy toward the conflict in the country.

Venezuelan President Nicolas Maduro on April 23 declared a 90-day state of emergency in the country’s electricity sector, Xinhua reported.

The U.S. Department of State warned U.S. citizens April 23 of the risks of visiting Burundi, according to a State Department Travel Warning.

Boston Marathon bombing suspect Dzhokhar Tsarnaev told investigators that he and his brother read al Qaeda in the Arabian Peninsula's Inspire magazine for instructions on building bombs, NBC reported April 23.

The two suspects arrested and charged by Canadian authorities on April 22 for allegedly planning an attack on a passenger train in the greater Toronto area received direction and guidance from al Qaeda elements in Iran, officials with the Royal Canadian Mounted Police said at a news conference, CBC reported.

The two suspects arrested by Canadian authorities allegedly planned to derail a passenger train going from New York to Toronto, CTV News reported April 22.