IDF soldiers along the northern frontier were on high alert on Monday night out of concern that Hizbullah fighters might attempt to kidnap a soldier, Channel 2 reported.function initServerVars() {_headup.clientHost = 'http://newstopics.jpost.com';_headup.termsFromServer = 0;_headup.annotatedTerms = 0;_headup.widgetMode = 'snippet';_headup.snippetButtonStyle = 'banner';_headup.blackListedUrl = false;}