The head of the Met's Black Police Association (MBPA) was in a WhatsApp group where "wholly offensive" messages ... Insp ...

One in four black men will be diagnosed with prostate cancer, compared to one in eight white men and one in 13 ... of sharing health information through WhatsApp with at-risk groups.

The difference with WhatsApp is that posts there are private and protected by encryption. Mr Roy likened it to "something of a black hole". "No-one, including WhatsApp itself, gets to see ...