What you need to know

• John Cornyn and Ken Paxton advanced to a runoff to decide who will be the Republican nominee for U.S. Senate.
• Embattled U.S. Rep. Tony Gonzales was forced into a runoff with gun rights activist Brandon Herrera.
• State Rep. Steve Toth defeated incumbent U.S. Rep. Dan Crenshaw.
• Former U.S. Rep. Colin Allred and Rep. Julie Johnson appear to be headed towards a runoff.
• Nate Sheets defeats three-term incumbent Sid Miller in GOP primary for Texas agriculture commissioner.
• Don Huffines, an ultraconservative former state senator, won the GOP primary for comptroller.