An ambulance going south from Tower Bridge, London, United Kingdom

tower bridge incident london ambulance emergency response medical assistance thames river scene potential road closures public safety bystander awareness witness reports traffic delays central london disruption urgent care medical personnel tower bridge area potential injuries ongoing situation developing story monitor local news emergency services blue light response prioritize safety london ambulance service tower bridge access incident details awaited official updates pending possible witness accounts social media reports use caution emergency vehicle movement public cooperation urged maintain distance respect emergency zone london safety information channels official communication from authorities potential cause of incident unknown speculate with caution prioritize factual information await official updates