Both were evidently stimulated by the same impulse.

There was a shock which was perceived even in the royal carriage. Myriads of hoarse cries, forming one vast uproar, were heard, mingled with guns firing.

“Ho! Musketeers!” cried D’Artagnan.

The escort divided into two files. One of them passed around to the right of the carriage, the other to the left. One went to support D’Artagnan, the other Porthos. Then came a skirmish, the more terrible because it had no definite object; the more melancholy, because those engaged in it knew not for whom they were fighting. Like all popular movements, the shock given by the rush of this mob was formidable. The musketeers, few in number, not being able, in the midst of this crowd, to make their horses wheel around, began to give way. D’Artagnan