Estonia and Russia have been embroiled in a border dispute over the Narva River, with tensions escalating after Russian authorities removed navigation buoys from the waterway. Estonia has summoned Russia's charge d'affaires amid ongoing talks aimed at resolving the issue. The dispute centers on the location of the fairway along the river, with both sides having agreed on its course for decades.

Source: https://www.themoscowtimes.com/2024/10/29/estonia-summons-russian-diplomat-over-border-river-dispute-a86841