The main UN aid agency operating in Gaza said on Saturday that acute malnutrition is rising more quickly in the north of the enclave as Israel prepared to send a delegation to Qatar for new ceasefire talks. The United Nations Relief and Works Agency for Palestine Refugees (UNRWA) said one in three children under the age of 2 in northern Gaza is now acutely malnourished amid growing pressure on Israel over looming famine in the embattled enclave. Israel said on Friday it would send a delegation to Qatar for more talks with mediators after Hamas presented a new proposal for a ceasefire with an e…