I agree Albion will do the right thing. How serious the allegation is, who knows? 'Sexual assault' covers a huge range of offences. There are lots of things that happen frequently in nightclub settings that could be deemed 'sexual assault' if there was any misunderstanding between those involved.
The police haven’t named anyone because nobody has been charged with an offence. The reputable media will take the same line. Newspapers like The Sun have less concern for trashing reputations based on an arrest, and expensive lawyers to back them up. They must be very confident of identity...