Milan police said Berlusconi's attacker hit him with a small metal souvenir replica of the Doumo di Milano, the city's centralcathedral, but it was not immediately clear whether the man swung at the prime minister with the object in his hand or threw it at him.
Cathedral House Hotel brings some of the grandness of a Scottish baronial mansion to central Glasgow, with pointy turrets, steep spiral stairs and four-poster beds.
Church bells from the city's Catholic Cathedral rang out across the capital, and prayers of peace were also said at the central mosque to mark the talks.