Walnut Creek police are on the scene of a suspected shooting incident reported in the 100 block of Sierra Drive early Saturday.
A police response to the scene located a victim suffering from unspecified wounds not far away. That person has been transferred to John Muir Hospital.
The suspect’s custody status was not immediately known.
Neighbors in the area tell this site they heard a gunshot at approximately 7:50 a.m. followed by the sound of a man screaming or yelling followed by the sound of a second shot.
Police were summoned and responded quickly, deflecting questions from neighbors.