If you hear gunshots or explosions, immediately seek shelter in or behind a spot that conceals you from the line of fire. A support beam or a concrete pillar can help protect you from random bullets or debris of an explosion hitting you.

Duck and cover your head while hiding. Staying low raises your chances of keeping you secured.

Try to figure out an escape strategy by keeping a lookout for any and all exits or clear passages.

In case of a biological attack, close all the doors and windows, shut off the air-conditioning (if you can) system in order to keep the eventual toxic substances from sneaking inside and stay away from them. Alternatively, cover your mouth with a cloth and, if you can, keep it damp.

In a hostage situation, keep calm and do not do anything brash.

Be alert of any unclaimed bags and keep away from them.

Buddy-up as two heads could work better than one, and also gives assurance and support of another person.

When checking into a hotel, get all the information you can at the concierge on proper evacuation strategies and emergency numbers.

Keep your location on your smartphones on for easy tracking by family and emergency forces.

Most importantly, keep it together, stay calm and use your head.