A massive sinkhole that opened up in a canal in the English county of Shropshire has trapped two canal boats in thick mud, forcing emergency services to declare a “major incident” and restrict public access to the area.

The incident occurred along the Shropshire Union Canal near Whitchurch, a historic market town close to the Welsh border. Rescue teams described the situation as a “significant breach” of the canal, which led to unstable ground and rapidly flowing water.

Boats trapped as canal collapses

Images released by Shropshire Fire and Rescue Service show two canal boats lodged in deep mud inside the sinkhole, while a third vessel is seen leaning dangerously along the edge of the collapsed canal bank.

The sinkhole is estimated to measure around 50 by 50 metres, dramatically altering the canal’s structure. Canal boats, traditionally used to transport goods across Britain’s narrow waterways, are now commonly used as floating homes or for leisure travel.

Emergency response and public safety

Emergency services declared a major incident at 5.17 am on Monday as a precaution. According to Scott Hurford, Area Manager at the fire service, the situation was later declared “stable,” and search and rescue operations have since concluded.

No injuries have been reported, and authorities believe no individuals were on board the affected boats at the time of the collapse. Fire crews also managed to bring more than 10 members of the public to safety while working in challenging conditions caused by unstable ground and fast-moving water.

Residents and visitors have been urged to avoid the area while safety assessments and recovery work continue.

Investigations into cause underway

The Canal and River Trust, the UK’s largest canal charity, said it has begun initial investigations into the cause of the breach. The affected section of the canal has been dammed to prevent further damage.

“Our teams are on site and the priority remains the safety of boaters and people in the immediate area,” the trust said, adding that more details would be shared once assessments are complete.

Wider concerns over ageing infrastructure

The incident has renewed attention on the condition of Britain’s ageing canal infrastructure, much of which dates back to the Industrial Revolution. Experts note that climate-related factors such as heavy rainfall and soil erosion are increasing the risk of collapses and breaches.

While no casualties were reported in this case, authorities say continued vigilance and maintenance are essential to prevent similar incidents in the future.