If your society sends people with suicide bomb jackets, anyone that comes at soldiers without stopping will be considered to be at high risk of having one on. It would be crazy for the soldiers not to react that way. Unfortunately, when a soldier asks you to stop, you need to stop... it just works that way.
Twin bombs kill around 10 and wound 100 in Cameroon town (Reuters)
from the article: IDF says Palestinian's death at checkpoint caused by 'misunderstandings'