Investigation into trapped fish at Caversham brook

Fish returned to River Thames after rescue
Image caption The fish were transferred from the brook to the River Thames by Environment Agency staff

An investigation is under way into how hundreds of fish became trapped in a brook in Berkshire, the Environment Agency has said.

About 400 fish had to be rescued near Caversham Lock on Monday after the area became blocked by leaves and debris.

The fish, which included roach and chub, were transferred to the main body of the River Thames, the agency said.

A spokeswoman added that the work on the ground has since been completed and no further fish needed to be moved.

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