What is this pink weed?

[alldigging]

Sean's Allotment Garden - Return of the Geoff | EP34 August (wk3) | Sean's Allotment Garden - YouTube

Was going to take a pic of it on the plot but spotted it here ...

Redshank?
http://www.downgardenservices.org.uk/redshank.htm

[veggiechicken]

That's a 13 minute video - any chance of a pic

[PAULW]

Lavateria bees like it but you cant eat it.