Using Fort Cumberland as a base, British forces made forays into the surrounding countryside, rounding up Acadians to deport and destroying their colonial settlements.

Some of the Acadians surrendered, while others fled from the coastal communities into the interior, where they joined with local Miꞌkmaq and Maliseet forces and resisted the deportation efforts.

[3] When he received word that the British were planning an expedition to the Petitcodiac River, he hurried to Chipoudy, where he organized 120 Acadians, Maliseets and Mi'kmaq into a guerilla force.

[4] During Bay of Fundy campaign, on August 28, Monckton sent Major Joseph Frye with an expedition of 200 provincial militia from Fort Cumberland in two armed sloops, with instructions to clear Acadians settlements on the Petitcodiac River.

[3] After setting the buildings on fire at Shepody, New Brunswick, they began moving up the river, torching settlements and taking prisoners along the way.

Boishébert rescued thirty captive Acadian families and captured large quantities of military supplies and food.