A 27-year-old man from Sudbury has been arrested on charges he planned terrorism attacks inside and outside the United States, according to a spokeswoman for Acting U.S. Attorney Michael K. Loucks. The man was identified as Tarek Mehanna, who was arrested in November of last year for allegedly lying to authorities about a man who trained with al Qaida, federal officials tell the Herald. Loucks and Warren T. Bamford, special-agent-in-charge of the Boston FBI field office, have called a 10 a.m. press conference to discuss the arrest. The announcement will be made at the federal courthouse in South Boston. Developing...