The United Kingdom needs an Iron Dome to boost defences against missile and drone attacks after Iran’s attack on Israel acted as a “wake-up call” to the West, senior defence figures have said.

There is concern that although Britain has a comprehensive air defence strategy, the country lacks land-based systems to defend London or its nuclear power stations.

Tobias Ellwood, a former chairman of the Commons defence committee, said the changing nature of modern warfare, where Britain’s adversaries launch huge barrages aimed at overwhelming air defence systems, meant the country needed a “permanent umbrella of security”.

Iran fired more than 100 ballistic missiles and hundreds of drones and rockets at Israel over the weekend in an…