Millions of dead of sardines were discovered in the Redondo Beach harbor near Los Angeles Tuesday morning, initially raising concerns about possible water contamination.

Water samples tested on-site Tuesday were clear of contamination, but California Department of Fish and Game (DFG) wardens collected about a dozen dead fish to send via overnight mail to the DFG laboratory in Rancho Cordova, where biologists will run tests to confirm that the die-off was not due to toxins in the water. Click here to read more…