Vials of blood found in package addressed to Trump at RNC’s DC headquarters: Sources

The U.S. Secret Service is investigating a package found at the Republican National Committee’s Washington, D.C., headquarters Wednesday.The package was addressed to former President Donald Trump and allegedly contained vials of blood, sources familiar with the matter told ABC News.The U.S. Capitol Police said they temporarily locked down the location around 7:45 a.m. after they…