pick1name is discussing:

Police and UK Home Office officials were scrambling to recover the data but there are fears it has been permanently erased in what one former chief constable described as a 'risk to public safety'.

Hello, Sanjeep from Mumbai call centre here. Your program is very laggy? No problem sir, I can free up some disk space. Have a nice day.

But yeah, it was probably an intentional mass deletion to conceal the deliberate erasure of a specific few very embarrassing arrest records relating to one of our masters or their immediate family members.