A member of Isis parades the jihadists' flag through Raqqa, the terrorists' Syrian stronghold

One in seven young British adults has “warm feelings” towards Islamic State, according to a poll.

Isis is riding a surge of “anti-politics” sentiment among disaffected under-35s who admire the jihadists’ courage, academics warn.

A tenth of Londoners and one in 12 Scots view Islamic State (Isis) favourably, but sympathy for the militant group reaches its highest levels among the under-25s, the Populus survey found.

In the first rigorous poll to test the UK’s feelings about Isis, 2,000 adults were asked to rank several countries and terrorist organisations on a scale of one to ten, according to how “warmly and favourably” they felt about them.

Although an overwhelming majority of the public — 88 per cent — gave Isis a low score, 5.2 per cent