Four Palestinians have been killed in Israeli attacks in the Gaza Strip, hospitals in the coastal territory said on Sunday. According to al-Awda hospital, three of them died in the shelling of a house in the Nuseirat refugee camp in the central Gaza Strip. A fourth Palestinian was killed in an attack in the Jabaliya refugee camp, the Kamal Adwan hospital in northern Gaza said. An Israeli military spokesman said they were investigating the reports. According to the Hamas-controlled Ministry of Health, 24 people were killed in the Mediterranean coastal strip within a day. More than 41,200 Palest…