hi, I went to immigration to extend due to my flight being cancelled I have a 1 year multi O visa borders closed so no visa run, got a visa extension letter from uk embassy ,got a 30 extension had to report after 20 days to get full 30 days ,was told I have to do it all again,trouble is the uk embassy stopped issuing the visa extension letters. anyone else have this happen what we do now

As far as I know you're OK until the end of July.

All overstay fines have been waived during that period, so it doesn't really matter what your local office says.

Moving to the Visas forum. 

You can stay until July 31st at this time. No need to do anything at immigration.