His body is so run down and I think he was let out too early

to Charles, I can’t comment on that.” Meningitis is life-threatening and is responsible for hundreds of thousands of deaths every year worldwide.

It is caused by an infection with micro-organisms and can lead to serious long-term consequences including brain damage, deafness and epilepsy.

An ambulance was first called to Charlie’s home on June 30 after Dawn, a mum-of-three, collapsed. She had sprayed herself with what she thought was a discarded perfume bottle. It turned out to contain the Russian-made military-grade nerve

agent. Hours later Charlie was admitted to hospital after falling ill and was in a coma for ten days. But while he went on to make a miracle recovery after a month in hospital, Dawn died on July 8. The pair were exposed to the novichok from a bottle they found dumped in Salisbury’s Queen Elizabeth Gardens. The park was reopened on Friday after police finally declared it safe. A five-month investigation concluded earlier this month that a two-strong hit team who flew in from Russia was responsible for the poisonings. But President Putin has denied any involvement by his country. Matthew said of his brother: “He’s had a terrible time. “He’s still trying to get over losing Dawn. He really did love her. He’s so upset about it.” A spokesman for the Salisbury NHS Foundation Trust said: “We do not comment on individual patients.” Sergei, 67, had lived in the UK for eight years after being freed from jail in Russia following his trial for giving secrets to Britain’s MI6. His daughter Yulia, 33, was visiting from Moscow when they were struck down by novichok.