Israel has said that its forces suffered its deadliest attack since the start of the war against Palestinian militant group Hamas after 21 soldiers were killed in the Gaza Strip on Monday. Another three soldiers were killed in a separate attack earlier in the day. Israel Defense Forces (IDF) spokesman Daniel Hagari said reservists had been preparing explosives to demolish two buildings in central Gaza‚ close to the kibbutz of Kissufim on the Israeli side of the border‚ at around 4...