Israeli warplanes on Tuesday carried out an airstrike in the Gaza Strip in which at least one Palestinian has been reportedly killed in the strike.
Hospital officials cited by Reuters said the 2-year-old girl was killed by shrapnel as she was standing with her family outside their home.
Several other members of the Palestinian family were also reportedly injured.
The planes fired at a Hamas training facility in the southern Gaza city of Khan Yunis, with two more strikes reported east of Gaza City and another in the center of the Palestinian enclave, according to AFP.
A Gaza sniper killed a Zionist over the border on Tuesday, Israeli military and medical officials said.
The man was the first Zionist killed on the Gaza frontier in more than a year. His death comes amid heightened tensions after two suspected Palestinian attacks: a bus bombing near Tel Aviv on Sunday and the stabbing of an Israeli policeman on Monday.
There was no immediate claim of responsibility for the attack, which followed a Palestinian rocket strike on southern Israel on Sunday that caused no casualties.
However, since an eight-day war in November 2012, both Israel and Gaza's Hamas Islamist rulers have been wary of taking military action that could trigger widescale fighting.
Hamas praised Sunday's bus bombing - the first in Israel in more than a year - but stopped short of claiming responsibility.
Violence in the West Bank has increased in recent months. At least 19 Palestinians and four Israelis have been killed in the occupied territory since the U.S.-brokered talks on Palestinian statehood resumed in July after a three-year break.
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