Police have cordoned off an area after a suspected landmine was discovered in London Colney.

Herts Advertiser: A suspected landmine was discovered in London Colney. Picture: John AndrewsA suspected landmine was discovered in London Colney. Picture: John Andrews (Image: Archant)

The landmine was found near a river in Summers Way at 4.05pm today.

A 100m cordon has been put in place and the park area has been closed.

Enquiries are ongoing to identify the device and the Explosive Ordnance Disposal has been contacted.

Herts Advertiser: A suspected landmine was discovered in London Colney. Picture: John AndrewsA suspected landmine was discovered in London Colney. Picture: John Andrews (Image: Archant)

Herts Advertiser: A suspected landmine was discovered in London Colney. Picture: John AndrewsA suspected landmine was discovered in London Colney. Picture: John Andrews (Image: Archant)

Herts Advertiser: A suspected landmine was discovered in London Colney. Picture: John AndrewsA suspected landmine was discovered in London Colney. Picture: John Andrews (Image: Archant)