ANSA has some more details in their story of the paint attack on the Ara Pacis museum, and a picture:
(ANSA) - Rome, June 1 - A wall of Rome's controversial Ara Pacis museum was spattered in bursts of red and green paint on Monday in an attack by unidentified vandals.
Police arrived on the scene at dawn after being alerted to the paint splashes, which were in the colours of the Italian flag.