▁III ▁intended ▁to ▁press ▁on ▁with ▁the ▁war . ▁ ▁In ▁May ▁ 1 3 3 6 , ▁Edward ▁III ▁sent ▁Henry ▁of ▁Lanc aster ▁to ▁enter ▁Scotland , ▁where ▁the ▁Scottish ▁leaders ▁were ▁involved ▁in ▁sie ges ▁at ▁L och ind orb ▁and ▁Cup ar . ▁Lanc aster ▁paused ▁for ▁rein for c ements ▁at ▁Per th , ▁sending ▁Sir ▁Thomas ▁Ross lyn ▁ahead ▁to ▁fort ify ▁the ▁ru ined ▁castle ▁of ▁Dun not tar . ▁Edward ▁III ▁was ▁receiving ▁grave ▁and ▁probably ▁infl ated ▁intelligence ▁of ▁the ▁am ass ing ▁forces ▁of ▁Philip ▁VI , ▁which ▁were ▁int ending ▁to ▁land ▁in ▁Scotland ▁and ▁in va de ▁England ▁from ▁the ▁north , ▁and ▁he ▁determined ▁to ▁th wart ▁the ▁plan ▁by ▁elimin ating ▁the ▁most ▁likely ▁port ▁for ▁their ▁arrival : ▁Aber de en . ▁ ▁In ▁June , ▁Edward ▁III ▁arrived ▁in ▁Scotland ▁via ▁New castle ▁with ▁a ▁force ▁of ▁ 4 0 0 ▁men , ▁pick ing ▁up ▁an ▁additional ▁ 4 0 0 ▁from ▁Lanc aster ' s ▁troops ▁with ▁which ▁to ▁march ▁on ▁L och ind orb , ▁ending ▁that ▁sie ge , ▁and ▁th ence ▁to ▁the ▁Mor ay ▁F irth . ▁He ▁destroyed ▁everything ▁he ▁encountered ▁from ▁there ▁through ▁Aber de en , ▁which ▁he ▁burn ed ▁to ▁the ▁ground . ▁Later ▁that ▁same ▁month , ▁Car rick ▁C ly des dale ▁were ▁like wise ▁dev ast ated ▁by ▁an ▁attack ▁of ▁several ▁thousand ▁men ▁under ▁the ▁command ▁of ▁John ▁of ▁El th am ,