No, but Tony Blair suspended the Northern Ireland assembly several times and reimposed direct rule from London, which is probably where the Catalan issue is headed, because everything is illegal from the state's point of view.

Texas has had secessionist movements also for some time, but it'd be also illegal to do a binding referendum, and Washington would take the required steps to stop it.

https://www.texastribune.org/2016/06/24/can-texas-legally-se...