The U.S. State Department said a memorandum of understanding was signed with Boston police to cooperate on foreign law enforcement capacity.
The United States must deploy more cameras, undercover officers and specialized units to protect vulnerable targets from terrorism, Boston's police chief said.
U.S. lawmakers want to know what information law enforcement officials had about the Boston Marathon bombing suspects, a congressman said.
Top-seeded David Ferrer was pushed to a third set Wednesday before he could claim a second-round win at the Portugal Open tennis tournament.
Rocker Juliana Hatfield confessed via Twitter she has a crush on Boston FBI Special Agent Richard DesLauriers.
Boston Marathon bombing suspect Dzhokhar Tsarnaev was charged Monday with conspiring to use a weapon of mass destruction.
Officials speculated Sunday on whether Dzhokar Tsarnaev, the suspect in last week's bombing of the Boston Marathon, will ever be able to speak to investigators.
The surviving suspect in the deadly Boston Marathon bombings was captured in Watertown, Mass., Friday evening after a massive manhunt, Boston police said.
Investigators said Tuesday two bombs that exploded at the Boston Marathon, killing at least three people, may have been pressure cookers packed with shrapnel.
Jerryd Bayless came off the bench to score 19 points Monday, giving the Memphis Grizzlies a boost in their 103-97 victory over Dallas.