Carol Barnes - Memorial Service 29th March

I recall reading somewhere that they are planning to show Carol's last television appearance (the Ed Mitchell documentary filmed in January) again sometime. Not sure when, though.

I imagine some portions of the memorial service will be broadcast on ITV News next week?

I don't think so - I think you over estimate the importance of her death. It's been reported now and although a few people here and her former colleagues may be interested in the memorial service, I really don't think it can be considered newsworthy in the wider sense.