The advancing Norwegians quickly drove the Swedish rearguard at Gamleseteren against the main force, and Gahn quickly realized that there was a large force attacking the column from behind and threatened to encircle them.
The advancing Norwegians quickly drove the Swedish rearguard at Gamleseteren against the main force. There was a large force. This large force was attacking the column from behind. Gahn quickly realized this. Gahn quickly threatened to encircle them.