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An emergency services incident has led to the complete closure of the A3 Southbound at Shannon Corner (junction with the A298 Bushey Road) this evening, following reports that a person has fallen from height.

What We Know:

• The southbound carriageway of the A3 is currently blocked as emergency services respond.
• A diversion is in operation via the slip roads at the scene to redirect traffic.
• Police, London Ambulance Service, and fire crews are attending.
• The condition of the person involved is currently unknown.

Diversion Details:

• All traffic is being diverted via the entry and exit slip roads at Shannon Corner (A298).
• Drivers are advised to expect long delays and to seek alternative routes where possible.

Public Safety Notice:

Motorists are urged to:

• Avoid the area if possible
• Follow local diversion signs
• Allow additional travel time

Authorities have not confirmed whether this is being treated as a medical emergency, a fall from a bridge or structure, or another cause.

We have contacted Metropolitan Police and London Ambulance Service for an official statement.

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