Log on one morning and my friends list said NO friends its like they have all disappeared 
, I am on the right region . I have cleared my cache and re downloaded client . Still the same problem . Its like this on my pc , laptop and mobile app . Blizzard support does not seem to be able to find the problem .
Yup same here. Friends im trying to play with that are on playstation see me offline and i can see them at all.