Pompeii wall collapse damage inspected by Unesco team

After a series of wall collapses at Italy's ancient city of Pompeii, a team from UN cultural organisation Unesco has arrived to examine the site.

One wall gave way on Tuesday and two more the next day, three weeks after the House of Gladiators crumbled.

Officials blamed Wednesday's wall collapses on heavy rain but Unesco says concerns have been raised about Pompeii's state of preservation.

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