A pileup involving more than 50 cars shut Interstate 78 in Lebanon County, Pennsylvania, on Saturday, officials said.
Francis launched a broadside against corruption on his first visit to Mexico as pontiff, calling on President Pena Nieto to combat it.
The plan was to destroy the Airbus 321 plane, al Shabab appears to have said, but it failed. The group vowed to continue such attacks.
Secretary of State John Kerry on Saturday sharply criticized Russia for its actions in Ukraine and Syria, accusing Moscow of "repeated aggression" in both places.
"If [Peter] Liang were white, he wouldn't have had an issue...They bully Chinese. It's discrimination."