Investigations are underway after pranksters filled a Stevenage fountain with washing up liquid over the weekend.

A Herts police spokesperson told the Comet that officers were carrying out further investigations "following an incident of criminal damage" in the town centre on Sunday, August 8.

The Comet: The fountain in Stevenage town centre was still foaming on Monday morning (August 9)The fountain in Stevenage town centre was still foaming on Monday morning (August 9) (Image: Supplied)

It was reported that washing up liquid was poured into fountains in Danesgate, at around 3.25pm.

The fountain foamed well into Monday, August 9, when the last of the soapy suds were cleared.

The Comet: The escapade is being treated as a criminal incident by Herts police, and enquiries are continuing at this timeThe escapade is being treated as a criminal incident by Herts police, and enquiries are continuing at this time (Image: Hannah Pye)

A representative from Stevenage Borough Council confirmed that cleaning up the bubbles, which overflowed into the town square, cost £170 in labour and materials.

The escapade is being treated as a criminal incident by Herts police, and enquiries are continuing at this time.

Those with information can report directly to Herts police online at herts.police.uk/report or by calling 101, quoting crime reference 41/60964/21.

The Comet: Stevenage Borough Council said that cleaning up the suds cost £170Stevenage Borough Council said that cleaning up the suds cost £170 (Image: Hannah Pye)

Alternatively, you can stay anonymous by contacting Crimestoppers on 0800 555 111 or at crimestoppers-uk.org.