There is an "urgent need" to increase research into inherited heart conditions as an estimated half a million people in the UK could be living with faulty genes, experts have said.
The British Heart Foundation (BHF) found the amount of people living with a faulty gene which put them at risk of developing heart disease or dying suddenly was much high higher than the previous estimate of 380,000.
The charity said that despite advancements in research, many faulty genes still remain undiscovered.
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Doug Bergeson, from Wisconsin, USA, calmly drove himself to hospital and walked into the emergency room to ask for help.
The venue will open its doors again for the first time since May's bombing on September 9 for the We Are Manchester concert .
Reports peaked in June, when the London Bridge and Finsbury Park attacks took place, with the service receiving 5,703 calls.