More and more people are donating blood - but supply levels remain low.

The Irish Blood Transfusion Service recruited more than 20,000 new donors in 2016 - a 40 per cent increase on 2015.

But the service still struggled to maintain an adequate supply with hospital demand increasing and several blood groups often only at 4 days supply.

In January of this year the donation criteria for men who have sex with men was changed.

Susan Keogh has been speaking to Chief Executive of the IBTS Andy Kelly about how the change came about: