Khalid Masood plowed a 4x4 through a crowd on a sidewalk and then fatally stabbed a police officer, but who was he before that? Latest U.S.

LONDON -- Westminster Bridge attacker Khalid Masood sent a WhatsApp message that can’t be accessed because it was encrypted by the popular messaging service, a top British security official said ...

Khalid Masood, the man responsible for the worst terrorist attack in London in more than a decade, kept to himself in recent years, neighbors say. But he had a checkered past involving a series of ...

London police named Khalid Masood, 52, a British man with several aliases, as the assailant responsible for Wednesday's terrorist attacks in central London that killed four people: a policeman, an ...

London attacker's unusual background raises questions 01:57. The embassy said he taught English in Saudi Arabia from November 2005 to November 2006 and again from April 2008 to April 2009, with a ...

The man behind the deadly rampage that left at least 4 people dead, including a police officer, outside of London’s Parliament building was identified as 52-year-old Khalid Masood.

Westminster Bridge attacker Khalid Masood sent a WhatsApp message that cannot be accessed because it was encrypted by the popular messaging service, a top British security official said Sunday.

BIRMINGHAM, England (AP) — Long before his short stints in jail turned into years behind bars, Khalid Masood was known as Adrian Elms, with a reputation for drinking and an unpredictable temper.

Khalid Masood, the man responsible for the worst terrorist attack in London in over a decade, kept to himself in recent years, neighbors say. But he had a checkered past involving a series of ...

Masood was also not on the radar of security officials. "During his time in Saudi Arabia, Khalid Masood did not appear on the security services' radar and does not have a criminal record in the ...

Khalid Masood, the man responsible for the worst terrorist attack in London in more than a decade, kept to himself in recent years, neighbors say. But he had a checkered past involving a series of ...