HAYWARD (CBS SF) – Police in Hayward have launched a homicide investigation after a man who was found on a street died early Thursday morning.

Officers responded to the 22000 block of Main Street shortly after 2:50 a.m. following reports of a man down. When police arrived, they found the man who according to officers was “suffering from trauma to the head and neck.”

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The man was pronounced dead at the scene by emergency medical personnel.

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Police said the man’s identity is known but is being withheld at this time. No details about potential suspects was immediately available.

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Anyone with information about the case is asked to contact Detective Scott Navas at 510-293-7176.