Six people go missing during ski tour near Matterhorn in Switzerland

Police in Valais canton say emergency response is being hampered by very bad' weather conditions

Police are searching for six people who have gone missing during a ski tour that departed from the Alpine town of Zermatt in Switzerland's Valais canton.

The cross-country skiers, five of them members of the same family, went missing around Tete Blanche mountain on Saturday on the Zermatt-Arolla path, near the Matterhorn mountain that straddles the border between Switzerland and Italy, police said.