According to Strzelin998:
At around 8:30 a.m., a pile-up involving 9 vehicles occurred at the 187th kilometre of the A4 motorway towards Zgorzelec!!!
Fortunately, no one was injured, but the wrecked vehicles are blocking all lanes.
The page adds: – The road may be temporarily blocked; a detour at the Brzeg-Nysa exit is recommended.
Strzelin998 on the incident