Man arrested after alleged mass shooting threat against Texas Capitol

A man accused of plotting a "violent attack" on the Texas Capitol in Austin is in custody after state authorities say they received a tip about the alleged threat and worked through the night to track down a suspect.The Texas State Department of Public Safety and the FBI thwarted a "credible threat" against the state capitol, according to a notice sent to Texas state senators Wednesday and reviewed by ABC News. The alleged attack was to occur on Thursday, according to the notice and Texas DPS.2