The war broke out on July 8, when the Israeli military began bombarding targets in Gaza in an attempt to stop Hamas from launching rockets at Israel and then nine days later it sent in ground troops to destroy underground tunnels it said were built to attack Israel.
But in the weeks leading up to the war, Israeli-Palestinian tensions had already been rising following the June killings of three Israeli teenagers, whose bodies were discovered two weeks after they disappeared in the West Bank.
Israel accused Hamas of being behind the abductions, and subsequently carried out a massive ground operation in the West Bank, arresting hundreds of Hamas operatives as part of a manhunt. And in early July, an Arab teenager was abducted and burned alive by Israeli extremists in an apparent revenge attack. Six Jewish Israelis were arrested in that killing
Notice how lopsided this summary is.