D'Harcourt despatched Turenne to oppose the passage, but before he could arrive there some five thousand men had crossed the bridge.

Without hesitating a moment, although his force was a much smaller one than that of the Spaniards, Turenne attacked them at once, carried the intrenchments they had begun to throw up, killed a large number, and drove the rest into the river, where hundreds were drowned.

Then he set fire to the bridge, which was of wood, and intrenched himself on the banks of the river, occupied all the fords higher up, and completely checked any advance of the Spaniards in that direction.

He was, however, wounded in the shoulder, and was obliged to leave the army and to be carried to Pinerolo.

While he was away Leganez attacked the French line from without, and Prince Thomas from within, and the former succeeded in passing twelve hundred horse and one thousand foot into the town.
The French were now closely beleaguered, and began to suffer severely from famine.