Don’t announce the services! They need “church gone underground” lessons. You just meet, do not even say what the meeting is.
Are the Muslims facing the same restrictions? Have not heard.
Worshiping in the catacombs of anti Christian Britain.
Why announce clandestine meetings? Do it, and let God deal with it. “Vengeance is mine”, says the Lord. Maybe one last major event warning before the end of our civilization or world.?
Sounds like the old Soviet era church.
I read The Persecutor by Sergei Kourdakov and it sounds like this.
I realize there is some controversy about whether the book is true or not, but I found it very credible. I did fit with other accounts I heard of the persecution of Christians in the USSR.