“From listening to Sky News, it very apparently was an attack on Muslims leaving the Mosque. Revenge??”
Sounds like it. Perhaps the Brits are just now starting to ‘engage’ the enemy...
From the SUN (UK) https://www.thesun.co.uk/news/3829355/finsbury-park-van-people-injured/
NEW LONDON VAN HORROR Finsbury Park panic as several people injured after van ploughs into Muslim worshippers leavin mosque on Seven Sisters Road after Ramadan prayers