 The threat of the conflict between Hamas and Israel expanding to include Hezbollah in Lebanon is raising concerns. U.S., European and Arab mediators are trying to cool tensions between Israel and Iran back Hezbollah militants in Lebanon before it spirals into a wider Middle East war. The Israeli army is already stretched thin after a nearly nine-month war in Gaza, while Hezbollah is in possession of some 150,000 rockets and missiles capable of striking anywhere in Israel.