Investigations are continuing into a suspected palm oil discovery in Maryport.
The substance is potentially deadly to dogs.
The waste has also been found recently on several beaches in southern Scotland.
Anyone who sees the substance is being asked to contact health officials immediately on 01900 702800.
More top news
The driver of a Rangers supporters' bus which crashed on a roundabout killing a fan blamed the brakes when he was interviewed by police.
Sandy Murray, of Police Scotland, was was giving evidence at the trial of a bus driver who denies killing Ryan Baird by dangerous driving.
34-year-old Christopher Peck was involved in a head-on crash with a drunk driver. His funeral has taken place in his hometown, Workington.