Spanish Guardia Civil fast boat approached British submarine at Gibraltar (opex360.com)

• Spanish speedboat approached British nuclear sub within 200 metres
• UK protests dangerous manoeuvre
• Event escalates Gibraltar sovereignty tensions

"On 15 May 2026, a Spanish Guardia Civil fast boat approached a British nuclear-powered submarine at high speed near Gibraltar. The incident highlights ongoing sovereignty tensions between Spain and the UK over Gibraltar. British authorities confirmed the approach as dangerous, while Spain described it as a routine coast guard patrol. This is the latest in a series of incidents reflecting strained relations in the region."