The move is seen as a response to U.S. sanctions placed on dozens of Iranian entities in February following an Iranian missile test
The Pentagon said the Qari Yasin was killed in an airstrike in Afghanistan in March
When photos of Khalid Masood emerged just after Wednesday's attack, his neighbors in a quiet English neighborhood were shocked. British police are now trying to figure out what triggered his deadly rampage outside the British Parliament that killed four people and injured dozens more. Jonathan Vigliotti has the details.
Massive police effort underway to discover how homegrown ex-con with violent streak became radicalized