Police are investigating a drowning at Mirror Lake in downtown St. Petersburg.

At 8:39 a.m., officers were called to the 7th Street side of Mirror Lake regarding a man that went into the water.

The caller claimed that a man in his twenties had been acting erratically and then ran into the water of Mirror Lake. The man went below the surface of the lake and never came back up.

Officers and members of the St. Petersburg Fire Department arrived and began searching for the man. He was located beneath the surface of the water at 8:49 a.m. and brought to the shore.

Fire rescue paramedics worked on the man for 20 minutes but were not able to revive him. The man was pronounced dead at the scene.

The man has been tentatively identified but police are withholding this information until they can locate and notify his next of kin.