Man injured in Nob Hill skateboard attack

A man was seriously injured when he was struck in the head with a skateboard in San Francisco’s Nob Hill neighborhood on Friday, police said Tuesday.

The 28-year-old man was struck by another man in the area of Jackson and Mason streets around 6 a.m., according to police.

He was taken to a hospital with life-threatening injuries.

No arrest has been reported. Police have not released further details of the attack, but described the suspect as also being a 28-year-old man.