The devastated family of teenager Alex Ryan, who it’s believed is the first Irish victim of the deadly hallucinogenic drug, N-bomb, said their only consolation is that he saved four lives after they gave consent to organ donation.

A sister of the teenager who is fighting for his life after taking a suspected designer drug has backed public health warnings to avoid so-called party pills.

Campaigners for homeless people have called on the Government to declare a national emergency and tackle the crisis.