Three men have been charged over a fatal explosion in central England which left five people dead and demolished a building.
The force spokesman said the suspect was now in custody where he would be questioned by detectives.
Although the fifth person has still to be formally identified, it is believed to be the body of Shane and Sean's mother, Mary Ragoobeer, aged 46.
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The three will remain in custody and appear in court on Monday.
Two other men, both from East Anglia and who were arrested yesterday, remain in police custody and continue to be questioned by detectives.
Mr Kurd, of Hillary Place, Leicestershire, Mr Hassan, of no fixed address and Mr Ali, of Drake Close, Oldham, will appear at Leicester Crown Court on 3 April via video link.
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An explosion which killed five in Leicester was caused by petrol, a court has heard. "Throughout this complex investigation we have been urging journalists and members of the public not to speculate about the cause of the explosion".
Shane's girlfriend Leah Reek, 18, and Zabka worker Viktorija Ijevleva, 22, also died in the explosion.
The explosion killed at least two members of the family that lived in the flat, brothers Shane Ragoobeer, 18, and Sean Ragoobeer, 17. The remains of five people were recovered from the wreckage and other people were injured.
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