Three Pakistani men said to have supplied funds to Times Square car bomb suspect Faisal Shahzad were arrested in a series of raids as the FBI followed the money trail of the failed attack.

United States and Argentine authorities were investigating how a stick of dynamite in a college student’s checked luggage ended up on a Houston-bound flight, one of seven security incidents that disrupted US flights in a day.

A trans-Atlantic flight from Manchester, England, was diverted to the Bangor International Airport today, officials said.

Gail Marcinkiewicz, spokeswoman for the FBI in Boston, confirmed that Catherine Mayo was carrying banned items in her carry-on bag, including a screwdriver, an unspecified number of cigarette lighters and matches.

A London-bound flight from Los Angeles was diverted to Boston today after three Pakistani passengers were considered to be behaving suspiciously.