Awwal 06, 1432, Feb 09, 2011, SPA-- Swiss police say they are widening their search for a man and his two sons in the country's second major missing persons case in a week, AP reported. Police in the eastern region of Zug said Wednesday they have requested help from other European countries to locate 50-year-old Erich Zimmermann, 10-year-old Tim and 7-year-old Lorin, missing since Monday. Army helicopters have searched the banks of Lake Aegeri and Lake Zug near the family's home in the town of Neuheim. Their disappearance comes days after police in western Switzerland launched a search for twin girls whose father's body was found in Italy on Feb 3. Matthias Schepp and his 6-year-old daughters left the town of St. Sulpice near Lausanne on Jan. 30. French authorities say the three boarded a ferry in Marseille Jan. 31. -- SPA