In the meantime the Prussians had taken up positions to cut off the Saxon retreat, and after crossing they found themselves hemmed in, and the roads so commanded by newly-erected batteries that, being utterly exhausted by fatigue and hardships, they had no resource but to surrender.
The terms enforced were hard.

The officers were allowed to depart, on giving their parole not to serve again, but the whole of the rank and file were incorporated in the Prussian army.
Fergus Drummond and Lindsay stood by their horses, with the other members of the staff, some short distance behind the king and Marshal Keith, as they anxiously endeavoured to discover the whereabouts and intentions of the Austrian army; while the crack of musketry, between the Croats and the troops who were gradually pressing them down the hill, continued unabated.
"This is slow work, Drummond," Lindsay said, as hour after hour passed.

"I should not like to have anything to do with the king, just at present.

It is easy to see how fidgety he is, and no wonder.

For aught we know there may be only three or four thousand men facing us and, while we are waiting here, the whole Austrian army may have crossed over again, and be marching up the river bank to form a junction with the Saxons; or they may have gone by the defiles we traversed the last two days, and may come down into Saxony and fall on the rear of our camp watching Pirna, while the Saxons are attacking in front.