I feel like I am living in an alternative universe because BBC Radio 4 have just repeated again that police will have to charge or release Rosdeep by 11pm tonight. Implication being, an extension has not been granted yet?
Sounds like a 12 hour extension has been granted which suggests that she was detained at around 11pm last night. The initial 12 hours would have taken the detention period 11am today and a 12 hour extension will take it to 11pm tonight.
This is the BBC's summary of the Scottish detention laws. http://www.bbc.co.uk/news/uk-scotland-25793111