Rome, Aug 11, SPA -- Authorities briefly evacuated part of Rome's main international airport on Wednesday after an apparently false alarm at the check-in desk of Israeli airline El Al,a local news agency reported. Authorities in Italy have heightened security followingrepeated but unverified terror threats against the countrythat have appeared on the Internet. The ANSA news agency said the alarm was set off at oneterminal of Rome's Leonardo da Vinci airport because ofsuspicions about a passenger's shoes. About 15 minuteslater, passengers were allowed to re-enter the airport, itsaid. Few details were immediately available.--SPA1059 Local Time 0759 GMT www.spa.gov.sa/190851