Statement by President @GeorgeHWBush on the tragic death of Houston cardiologist Dr. Mark Hausknecht. pic.twitter.com/Wl0g6IK3c5 — Jim McGrath (@jgm41) July 20, 2018

HOUSTON -- Houston cardiologist Dr. Mark Hausknecht was shot and killed on his way to work Friday morning, Houston Methodist confirmed in a statement.Hausknecht once treated former President George H.W. Bush. He was riding his bike to work when another cyclist fatally shot him and fled the scene, police said.Houston Methodist remembered him in a statement:Former President George H.W. Bush offered his condolences in a statement: "Mark was a fantastic cardiologist and a good man," Bush said. "I will always be grateful for his exceptional, compassionate care. His family is in our prayers."The shooting suspect was described as a white or Hispanic man wearing a dark jacket.The Houston Police Department is currently searching the area for the suspect. An HPD homicide unit is investigating the scene.