A wave of bomb warnings on European planes.
Bulgaria announced the emergency landing of three planes in this country due to bomb threats.
In Italy there were two warnings about the presence of bombs on two planes on the route from Rome to Milan.
The Al Jazeera network announced the emergency landing of a Polish plane on its way from Warsaw to Brussels after reporting a suspicious incident.
Czech police announced the emergency landing of four planes at Prague airport after receiving bomb threats.
A passenger plane also made an emergency landing after receiving a warning about the presence of a bomb at the Euro base in France.
Agence France-Presse: Since this morning, 12 warnings have been issued about the presence of bombs at airports in Europe.