ROME — Italy’s state railway says a suspected arson **** has forced the cancellation of at least 42 high-speed trains in Italy on the heavily-travelled Milan-Naples corridor.

It said the **** occurred Monday morning near the Rovezzano station along the Rome-Florence line.

Besides the cancellation of both state trains and private Italo high-speed trains, it also reported delays as long as four hours. Many regional trains were also ******* or cancelled.

The state railway says work has begun to repair the electrical cables damaged by the ****. The ***** is under *************.

The disruptions took place as many Italians and tourists were heading off to or returning from vacation destinations.

Italy faces more travel ***** this week. Train, ferry and **** transit workers are striking on Wednesday and an air travel ****** is set for Friday.