Overview
- Thameslink said police dealt with an incident at London Bridge and later relayed confirmation that travel through the station is safe.
 - The station was briefly evacuated, with witnesses reporting crowds leaving platforms 6 and 7 and some citing platforms 4 and 5.
 - National Rail stated that Thameslink services at London Bridge would face delays until 8 p.m.
 - Operators advised that service changes are in place, so some trains may no longer call at their normal destinations.
 - Passengers described a heavy police presence, crowd control at platforms, and one commuter reported a train search by armed officers and sniffer dogs.