'Erring on the side of caution' as 30,000 people will not receive first AstraZeneca dose 

A cluster of four people who suffered clots in Norway after being vaccinated has led to a temporary suspension of Astrazeneca's use in Ireland.

Tens of thousands of people in at-risk groups will not receive their first Covid vaccine this week after the rollout of AstraZeneca was halted over blood clot fears.

Around 20,000 people with serious underlying conditions and a further 10,000 frontline healthcare workers had been due to get an AstraZeneca vaccination in the coming days However, this will now not happen.