Former Houston Mayor Sylvester Turner, 70, passed away early Wednesday morning in Washington, D.C., following “enduring health complications.”

The cause of death is unclear. Turner took office weeks ago, filling the seat left vacant by the death of Rep. Sheila Jackson Lee.

Rep. Sylvester Turner (D-Texas), a freshman from Houston sworn into Congress just two months ago, has passed away at 70 years old, two of Turner's colleagues confirmed to Axios. What they're saying: "I'm just overwhelmed.