HARRISBURG, Pennsylvania- Heading into the Memorial day weekend, Pennsylvania officials have issued a warning about eating fish from a Crawford county reservoir.

2,500 dead fish have been found in Pymatuning Reservoir in the past two weeks, leading to the warning.

Officials are collecting samples of the water and testing it to determine what caused the deaths of the fish.

Residents are advised not to eat fish from the reservoir until they can determine whether or not it is safe.