Thanks Alex (Amc204) for sharing this link for CALM a charity providing support to men suffering from depression or struggling with suicidal feelings.

Here is the link to the CALM website

https://www.thecalmzone.net/

There is a nationwide helpline 0800 585858
There is also one just for London which is 0808 8025858
There is also a number you can text which is 07537 404717
The lines are open from 5pm-midnight every day