After the threats, the government put the entire country on maximum alert.
The naval base remained on maximum alert all night, despite the absence of an attack.
Because of the heavy rains, local authorities are on maximum alert.
Security services placed the capital on maximum alert ahead of the international summit.
The defense zone was placed on maximum alert after the sudden floods.
All my spotter patrols are on maximum alert.
The soldiers were urgently called back because the region is now on maximum alert.
Following the mobilization order, all air bases immediately went on maximum alert.
Station security is to be on maximum alert.
La station est en état d'alerte maximum.
After the explosion at the border, the authorities kept the troops on maximum alert.
Après l'explosion à la frontière, les autorités ont maintenu les troupes en état d'alerte maximum.
The two countries recalled their reservists and put their strategic forces on maximum alert.
Les deux pays rappellent leurs réservistes et les forces stratégiques sont placées en état d'alerte maximale.
It is so deadly that we are having to be on maximum alert in places where large numbers of people gather.
Elle est si mortelle que nous devons être en état d'alerte maximale dans les lieux où les personnes se rassemblent en masse.
Recurring rumours of the sudden return of the former president have put the security services on maximum alert.
Les rumeurs récurrentes sur le retour inopiné de l'ancien président mettent les services de sécurité en état d'alerte maximale.