Melting glaciers force Switzerland and Italy to redraw part of Alpine border

Two countries agree to modifications beneath Matterhorn peak, one of Europe's highest summits

Switzerland and Italy have redrawn a border that traverses an Alpine peak as melting glaciers shift the historically defined frontier.

The two countries agreed to the modifications beneath the Matterhorn, one of the highest mountains in Europe, which straddles Switzerland's Zermatt region and Italy's Aosta valley.