People with weak immune systems or underlying medical conditions are at increased risk of infection from controversial fish pedicures, experts have warned.

The smoking ban in the North’s pubs, restaurants and workplaces came into effect from midnight – three years after the rest of Ireland became the first European country to prohibit public smoking.

St Patrick’s Day revellers in London and Belfast will be exposed to 14 times more pollution in Irish themed bars than they would if they were drinking in pubs in the Republic, a survey claimed today.