Key facts
- Switzerland will deploy around 4,000 troops to reinforce security for the G7 summit.
- The G7 summit will be held in Evian-les-Bains, France, from June 15 to 17.
- Swiss troops will protect critical infrastructure, including Geneva Airport.
- Military personnel will bolster border surveillance and monitor key transport routes and Lake Geneva.
- Switzerland's air force will increase air policing and provide counter-drone and NBC protection.