At least seven flights in Europe have been subjected to bomb threats, forcing several planes to divert and an airport in Poland to close in a day of chaos on Tuesday.

Bomb scares on two flights from London , and others from Manchester, Copenhagen, Israel , Dublin, Bergamo and Lisbon threw airports into disarray, with authorities searching planes after some of the flights went through emergency landings.

The diversion of the flights with hundreds of passengers on board, and temporary closures of airports, raises concerns over the ease with which agitators can cause major disruption.

You can follow all the latest updates on the bomb threats here.

Two Ryanair flights from Dublin and Lisbon were searched following anonymous tips regarding potential bomb threats, the airline said.

A screengrab from a video shows a police officer and a sniffer dog inspecting a Ryanair airplane and its baggage, after Ryanair's operations centre reported a bomb threat received during the flight from Manchester to Murcia,…