VALLEJO (CBS SF) – Police in Vallejo are investigating after a man in his 20s was found fatally shot in a neighborhood Wednesday morning.

Around 7:10 a.m., police and firefighters responded to the 100 block of Hillborn Street on reports of a man lying on the ground. When authorities arrived, they found the man suffering from at least one gunshot wound.

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The man was pronounced dead at the scene, police said. His identity is being withheld pending notification of next of kin by the Solano County Coroner’s Office.

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No additional details about the shooting were immediately available. Police said the motive and circumstances behind the shooting are under investigation.

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Anyone with information about the case is asked to contact Detective Brian Murphy at 707-648-5430 or Detective Josh Caitham at 707-648-4280.