Police in Lancashire are appealing for the public's help in finding a cannister of radioactive material which was stolen over the weekend.
It was taken from a van parked outside a house on New Line in Bacup.
Police were alerted this morning but the break-in could have happened at any time in the previous 48 hours.
The canister is thought to contain Iridium 192, which would only become dangerous if the cannister was opened.
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The latest weather update plus viewers' photos for ITV Granada
Not a bad Bank Holiday weekend - mostly fine, sunny and warm! Always warmest further west
Mainly low to moderate over the next few days... small amounts of grass pollen in the air in the warmest, driest weather