Commenting on death of elderly Palestinian man who was left to die at a construction site by soldiers, Kohavi says threat of prosecution shouldn't be the only reason to be humane

State Department says it remains deeply concerned by death of Omar As'ad, 78, at hands of Israeli soldiers, calls for 'full accountability' by those responsible

Visiting West Bank, defense minister also says security forces working to tackle 'Jewish terror' against Palestinians amid rise in violence

Central Command chief Yehuda Fuchs decries 'extremely grave ethical failure' of Netzah Yehuda soldiers, but says there was no malice on their part

Army says troops abandoned the unconscious 78-year-old Omar As'ad at a construction site after zip-tying his hands together and gagging him at an impromptu checkpoint

State Department sends letter to army with tough questions regarding death of 78-year-old Palestinian-American; military chief orders results be on his desk in coming days

PA doctors find that Omar As'ad, 78, perished from cardiac arrest caused by 'external injuries' during detention by Israeli troops

Omar As’ad, 78, a US citizen, died shortly after being detained by soldiers during West Bank raid; probe said to find soldiers did not check on his welfare before freeing him

Israeli military investigating incident, but relatives and witnesses say they have yet to be contacted