Updated at 1:35 p.m. ET
Authorities arrested a man in Washington state on Tuesday in connection with a number of suspicious packages that arrived Monday at federal facilities in and around Washington, D.C.
Thanh Cong Phan, 43, was arrested at his home in Everett, Wash., the FBI said. He was taken into custody by FBI agents from the Seattle field office and Snohomish County sheriff's deputies around 12 hours after the first package was discovered.