After seizing Gaza City and Jabaliya, Khan Younis is the last ground where Hamas can survive, the Wall Street Journal quotes analysts’ conclusions - and that’s why the IDF will face its toughest test of the war in that city: Israeli forces closed in on the city of Khan Younis in the Gaza Strip on Tuesday, engaging in close combat with Hamas fighters in what could be the decisive battle of the two-month-old war, while residents fled from the fighting amid a worsening humanitarian plight.