Armed police raided homes in Wellingborough this morning.
Members of the public reported seeing police swooping on homes in the Jubilee Crescent area of the town at lunchtime today.
But Northamptonshire Police said they could not give further details of the operation as it was ‘ongoing’.
In a statement, they said: “As part of an ongoing police inquiry, a number of search warrants were executed today in the Wellingborough area.
“I would like to thank the local community for their support during the operation, which is part of our continued drive to make Northamptonshire the safest place in the country.
“A 27-year-old man from Wellingborough was arrested in connection with the ongoing inquiry.”