Shell casings found, but no victims after reported shooting in Stratford

A reported shooting in Stratford triggered an investigation Tuesday afternoon near I-95.
Police officers taped off part of the neighborhood around 3:30 p.m. near South Avenue and searched several streets in the area after someone reported gunfire.
They say they discovered some shell casings, but no sign that anyone had been hit by a bullet.
Detectives say they visited nearby hospitals but so far, no victim has been found.
Metro-North tweeted that two trains in the area were delayed during the investigation.