To attack Walmgate Bar , they set up a battery of guns on a nearby rise , Lamel Hill .
To attack Walmgate Bar , they set up a battery of guns on a nearby rise , Lamel also dug a mine beneath the Walmgate Bar barbican .
To attack Walmgate Bar , they set up a battery of guns on a nearby rise , Lamel Hill , and also dug a mine beneath the Walmgate Bar barbican .