UPDATE 1-Tel Aviv saved by Iron Dome intercept

* Fifth battery was rushed into service * Intercept watched by Tel Aviv residents (Recasts for interception witnessed by Reuters) TEL AVIV, Nov 17 (Reuters) - Israel rushed a fifth Iron Domeair defence battery into service in the Tel Aviv area onSaturday, using it within hours to shoot down a rocket fired atthe coastal metropolis from the Gaza Strip. But the successful interception, witnessed by ...