New Texas voting rules causing high number of ballot rejections

Many of the rejected ballots fail a new requirement to provide an identification number inside the return envelope

Election supervisors in Texas have warned that new stricter voter ID requirements ahead of next month's state governor's primary have already resulted in an uncharacteristically high number of ballot rejections.

Voting rights activists have expressed fears that new laws making access to the vote more difficult - that have been passed in many states across the US by Republicans - will impact Democrat-leaning voters of color.