<p>Zurich: Three people were killed and another person was injured in an avalanche that rumbled down a mountainside on Monday afternoon at Riffelberg by the Swiss Alpine ski resort of Zermatt, police said.</p><p>A spokesperson for police in the southern canton of Valais had no immediate details about the identities of the people caught up in the avalanche.</p><p>It was also unclear whether more people could still be missing, with police saying in a brief statement that search operations had been halted for Monday.</p><p>Access to the area, which had a lot of snow, was difficult, Valais police said. The avalanche occurred just after 2 p.m. (1200 GMT) local time, police said. </p>
<p>Zurich: Three people were killed and another person was injured in an avalanche that rumbled down a mountainside on Monday afternoon at Riffelberg by the Swiss Alpine ski resort of Zermatt, police said.</p><p>A spokesperson for police in the southern canton of Valais had no immediate details about the identities of the people caught up in the avalanche.</p><p>It was also unclear whether more people could still be missing, with police saying in a brief statement that search operations had been halted for Monday.</p><p>Access to the area, which had a lot of snow, was difficult, Valais police said. The avalanche occurred just after 2 p.m. (1200 GMT) local time, police said. </p>