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A car has been badly damaged in the incident, which occured on Via Marmorata, in the centre of the city. Reports suggest the damage was caused by a parcel bomb, although this is yet to be confirmed by authorities. Police have confirmed two blasts at the same scene - one larger than the other - although only one device was found.

TWITTER/GOOGLE Bomb explodes in Rome

According to reports in Il Giornale, the blasts were likely to have been the result of two rudimentary homemade bombs filled with flammable liquid. Local media claims the explosive device was placed between vehicles in the post office car park. The explosions occurred near the side entrance of a post office in the Aventino neighbourhood. Television footage showed police officers and firefighters at the scene, and police tape blocking off part of the street.

Explosion in Rome LIVE images Fri, May 12, 2017 Two bombs have exploded in Rome, Italy, close to a post office and United Nations building Play slideshow FameFlynet.uk.com 1 of 13 Police investigate An Explosion Outside A Post Office In Rome

Police, bomb squads and sniffer dogs are at the scene, and the area remains cordoned off. Information service Luceverde, run by the Italian Automobile Club in collaboration with city police, said on Twitter that ‘technical checks’ were being carried out near the post office. The post office was open at the time, with reports suggesting a high volume of customers and clerks present. The prosecutor of Rome has opened an investigation into the incident, and security services have started examining CCTV footage from the vicinity in order to collect information.

TWITTER The vehicle has been badly damaged by the blast

Package bomb explodes outside Rome post office. Car damages. No injuries. pic.twitter.com/SzQl66k1Lp — Barbie Latza Nadeau (@BLNadeau) May 12, 2017

Franco Zelinotti, duty officer for the fire service, said the device appeared to have been place inside a plastic box, and confirmed that there had been no injuries. Italian police said there were no immediate links to terrorism, with an "act of protest" believed to have been the motive. A secondary bomb alert was issued for the Piazza di Porta Capena - just streets away from the United Nations' Food and Agriculture Headquarters. Police and bomb disposal experts were deployed but have since been stood down and the incident was deemed a false alarm.

GOOGLE The blast happened in a Rome neighbourhood, close to a UN building

TWITTER Police have cordoned off the area and bomb squads have arrived