lever

"Israel's policy is clear: no humanitarian aid will enter Gaza, and blocking this aid is one of the main pressure levers preventing Hamas from using it as a tool with the population," he said.

WTO Chief Economist Ralph Ossa said: "Tariffs are a policy lever with wide-ranging, and often unintended consequences."

The ex-prosecutor and legal analyst said the question of what levers the courts can pull to make sure the government does facilitate his release remains open under the order.

President Erdogan – who has many loyal supporters - retains a tight grip on the levers of power.

But he warned there was not a "silver bullet response" or "some policy lever that can be pulled".