The most important aspect of this crisis is looking after our physical and mental well being. Please take the time to think about your and your children's mental well being. The links below should help you with it.
https://youngminds.org.uk This is the best website that we have come across and has lots of ideas and helpful advice. Please send 5 minutes looking at it.
https://www.childline.org.uk. Also has lots of help and advice, including a free phone number for children and adults to talk to a counsellor. If you feel you need this please use it.