UPDATE: 12:40 PM ET
Following on an earlier report by Fox News (below) of an arrest In Pakistan in connection with the Times Square bomb attempt, the Washington Post is now reporting that Pakistani authorities have made two arrests in Karachi. One of the two men arrested, according to the Post, is named Tausif Ahmed and is believed to have met with Shahzad recently in America. Shahzad was arrested by U.S. authorities Monday.
NBC News has reported as many as 5 men were arrested in Pakistan today, but those reports don't seem to have been confirmed.
Fox News is reporting that Pakistan has arrested a man in Karachi in connection with the Times Square bomb plot, citing Pakistani intelligence sources. No more details were made available by Fox at this time.
On Monday night, Faisal Shahzad, a 30-year-old U.S. citizen of Pakistani descent, was arrested at New York's Kennedy Airport on charges that he tried to set off a massive fireball in Times Square Saturday.
Read the latest on the case here.