*Members willing to carry out attacks in Pakistan, Afghanistan. ROME, April 24- Italian police were arresting 18 people on Friday suspected of belonging to an armed group linked to al Qaeda who were plotting attacks on the Vatican as well as in Pakistan and Afghanistan. In the tapped conversations, the suspects discuss "a big jihad in Italy," added Mario Carta, head of...» Read More
New York police said two anonymous letters sent to Mayor Michael Bloomberg contained traces of the deadly poison ricin.
President Obama is giving a speech on counterterrorism in Washington, specifically addressing the use of drones, with CNBC's John Harwood.
A man and a woman were arrested on suspicion of conspiracy to murder, reports NBC's Annabel Roberts.
Following the death of a man in London by Islamic extremists, NBC's Annabel Roberts reports from the ground.
CNBC reports on the suspected terrorist attack in south-east London in which a man was killed. Warning: this video contains graphic images.
Eyewitnesses say 2 attackers tried to behead a soldier in London today, and the 2 men then charged at police once they arrived and were both shot at, reports NBC's Michelle Krosinski.
NBC's Michelle Kosinski reports on what could be a brutal terror attack in London.
The LA Times is reporting former Navy Secretary Richard J. Danzig urged the government to counter what he called a major threat to national security, with CNBC's Hampton Pearson.
White House press secretary Jay Carney was grilled by reporters today over new emails in relation to the Benghazi attack, and the spire was attached to the top of the World Trade Center today, reports CNBC's Courtney Reagan.
U.S. authorities on Wednesday charged three men with interfering with the investigation of the Boston Marathon bombing.
CNBC's Bertha Coombs has new information on the three young men arrested in connection to the Boston bombings.
Two roommates of Dzhokhar Tsarnaev, the Boston Marathon bombing suspect, will be charged with lying to investigators, reports CNBC's Bertha Coombs.
In a matter of moments, the Boston Marathon bombings inflicted as much as $333 million in damage to the local economy. Here's a breakdown.
CNBC's Bertha Coombs reports breaking news regarding additional suspects in custody in the Boston bombing investigation. (2:09)
U.S. intelligence failures can be attributed to a lack of cooperation among internal U.S. agencies. An increase in cooperation with external agencies simply isn't feasible.
President Obama explains to reporters why he believes the U.S. can no longer keep Guantanamo Bay open. This is a lingering problem that is going to "fester," he added.
President Obama answers questions from reporters about the political divide in Congress and the impact of the sequester on the economy.
President Obama answers questions about the Boston Marathon bombing and protecting the country from further attacks. The FBI and Homeland Security performed "exemplary" in their duties, adding his administration is cooperating fully with all departments to protect and prevent these attacks.
President Obama answers questions from reporters at a news conference held in the White House Briefing Room. In the first set of questions, the President answers questions about the Syrian "red line" and U.S. strategy to find a solution to the unfolding disaster in that country.
Landing gear that is believed to be from one of the planes used in the September 11th attacks was found between 2 buildings today, reports CNBC's Bertha Coombs.