AP Exclusive: US blocks 350 suspected terrorists

WASHINGTON (AP) — The Associated Press has learned the U.S. government has prevented more than 350 people suspected of ties to al-Qaida and other terrorist groups from boarding U.S.-bound commercial flights since the end of 2009.

Stricter security rules put in place after the attempted 2009 Christmas attack tightened a security gap that persisted for more than seven years after Sept. 11, but was not revealed until a …