Three people have been arrested after a huge blaze tore through a Dunelm and Pets At Home stores - leading to staff and animals being evacuated.

Emergency services were called to St James Retail Park in Northampton after the fire broke out inside Dunelm at around 3pm yesterday (Sat).

Dramatic pictures show the towering inferno which then spread to the neighbouring Pets at Home following the suspected arson attack.

In total 11 fire crews and appliances were sent to tackle the major fire and no casualties have been reported.

Other buildings sustained smoke damage but the blaze was has since been contained. All animals were safely removed from Pets At Home.

Northamptonshire Police said three people have now been arrested on suspicion of arson and remain in police custody.

Detective Chief Inspector Andrew Tuff said: "At the present time, we believe this fire to have been started deliberately and throughout the day, have made a number of fast-paced enquiries which has led to these three arrests."

"However, I now want to appeal to the public for any information which could help our investigation. "

"If you were in, or near, the Dunelm store this afternoon and saw anything suspicious, please contact us."

"I am particularly interested in speaking to a man who allegedly saw people setting fires in the Dunelm toilets a short time before the incident was reported."

"This incident has not only caused significant damage and disruption but will have had a very serious effect on the wellbeing of the local people who work in Dunelm and the surrounding stores. "

"Therefore if anyone knows anything, I would please urge you to come forward."

"Witnesses or anyone with information should call Northamptonshire Police on 101 or Crimestoppers anonymously on 0800 555111."

Northamptonshire Fire and Rescue Service remained at the scene through Saturday night before the blaze was brought under control by 10.20am today.

A fire service spokesperson said: "Although there are still small pockets of fire, the blaze is now contained, and fire crews expect to be damping down as the day progresses."

"At the height of the fire, 11 fire crews and appliances were in attendance alongside two aerial appliances."

"The first call came in just before 3pm with reports that the Dunelm store off Towcester Road was on fire."

"Thankfully, no casualties have been reported."