Two people were arrested following a police pursuit near Burton Latimer.
Several officers were called to the A6 at about 2.40pm on Saturday (May 12) after reports of a stolen vehicle being driven along the route.
A number of police vehicles parked up on both sides of the A6 around this time and the police helicopter was also seen in the area.
A spokesman for Northants Police said: “We were alerted to the fact a car which had been stolen on May 9 was spotted on the A6 towards Finedon.
“After a pursuit, two males – a 17-year-old boy and an 18-year-old man - were arrested on suspicion of theft.”