The advice is to avoid the centre of Geneva today if you can.
Security measures, road closures, limited public transport and no boat services on the lake will all make getting around difficult.
Many companies are calling on staff to work from home today – but schools will be open.
The TPG say their transport services will be disrupted at times – especially when the convoys are on the move.
Switzerland through to quarters
Heat alerts for rest of week
Mont-Blanc glaciers melting fast
Drugged rape victims could get better insurance cover
Laid off UN workers struggle in private sector
House prices rise further
