Texas senate passes voting restrictions bill after 15-hour filibuster by Democrat

Carol Alvarado wears running shoes during marathon speech

Civil arrest warrants delivered to 50 absent Democrats

The Texas senate has passed a bill that would impose voting restrictions in the state, shortly after a Democratic legislator concluded a 15-hour filibuster of the proposal.

Carol Alvarado, a state senator, had continued her filibuster into Thursday morning in the latest tactic to extend the nation's most visible standoff over voting rights.