Texas Gov. Greg Abbott on Saturday expressed his shock and sympathy to victims and their families after eight died and hundreds were injured at the Astroworld music festival in Houston on Friday night. “What happened at Astroworld Festival last night was tragic, and our hearts are with those who lost their lives and those who were injured in the terrifying crowd surge,” Abbott said in a statement. He expressed thanks to the first responders and good Samaritans on site who helped those injured in what has been described as a “mass casualty incident” by Houston Fire Chief Samuel Peña. Abbott said that he has directed the Texas Department of Public Safety to “make state resources available” to support the active investigation being conducted by Houston officials from the mayor’s office, police, firefighters, and Harris County Judge Lina Hidalgo. The investigation is now a criminal probe. “I ask Texans to join …