I was stood in the post office queue when my son called, by the time I rang him back he was dead
![I was stood in the post office queue when my son called, by the time I rang him back he was dead](https://i2-prod.walesonline.co.uk/incoming/article29349963.ece/ALTERNATES/s615/1_RMR_MAI_310524-mark-allen-4.jpg)
Mark Allen drowned in tragic circumstances, his mum lives her life to stop others from suffering the same fate
Mark Allen drowned in tragic circumstances, his mum lives her life to stop others from suffering the same fate