Seven people are missing after a boating accident off the coast of Sicily, the coastguard in Porticello near Palermo said on Monday in response to a query from dpa. Earlier, the Italian news agency ANSA had reported that a storm with strong winds had caused the sailing boat to capsize off Porticello in northern Sicily early in the morning. There were a total of 22 people on board the approximately 50-metre-long boat, ANSA said. The coastguard and fire brigade were able to rescue 15 people, it reported. There was no immediate official information on the missing or where they are from. Coastguar…