The visa application process prevents people visiting while the application is being processed despite them normally being allowed tourist visas. I would propose this restriction is removed.
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The UK has prioritised Ukrainian visa applications. This has left people going through the normal family / spouse process in a bad predicament. The process now takes 6 months. The pain impacting families are going through could be greatly alleviated if the non British family member could visit the rest of family in UK during their visa application