The UN aid chief on Friday said he was “deeply alarmed” by Israeli ministers’ statements about “plans to encourage the mass transfer” of Palestinian civilians from the Gaza Strip to third countries and he called anew for a ceasefire. “Unless we act, it will become an indelible mark on our humanity,” Martin Griffiths, the UN undersecretary for humanitarian affairs, told the United Nations Security Council. “I reiterate my call for this council to take urgent action to bring this war to an end.” Griffiths painted a dire picture of a worsening humanitarian catastrophe in the Gaza Strip as Israel …