Israel initially would not allow her and Rep. Ilhan Omar (D-Minn.) entry, but later reversed its decision for Tlaib, who intended to visit her grandmother.
The Democratic congresswoman from Michigan wrote a letter requesting entry to see her elderly grandmother.
The Israeli military said militants fired over 600 rockets into Israel, and Israeli forces launched 260 airstrikes against targets in Gaza.
The policy shift is apparently aimed at rallying Netanyahu's nationalist base in the final stretch of the tight Israeli Prime Minister race.
The rocket destroyed a residential home, wounding six members of a family.
The Israeli military said it had struck “approximately 100 military targets” belonging to Hamas, the Islamist militant group which controls Gaza.
Israeli soldiers have killed two Palestinians just this week.
The cross-border attacks marked the most serious escalation since an Israel-Hamas war in 2014.
An uproar over Israeli-Palestinian politics, sparkling water and Scarlett Johansson.
Earlier, Hamas defied Israeli calls to stop launching incendiary balloons from the Gaza Strip.
He's the first official British royal to visit the Holy Land.
Razan Al-Najar was shot as she tried to help a wounded protester, according to health officials and a witness.
“It all depends on Hamas. If it continues (to attack), I don’t know what its fate will be,” Israeli Intelligence Minister Israel Katz said on Israel Radio.
It was one of the heaviest barrages in years, the Israeli military said.
If Trump has been a different kind of Republican president on Israel, it has only been in disastrous ways.
As tensions rise in the Middle East, protests intensify around the world.
Israeli military forces killed some 60 Palestinian demonstrators on Monday.
Protests on the Gaza border are intensifying as the U.S. officially moves its embassy in Israel to Jerusalem.
Israeli troops have killed 41 Palestinians and wounded more than 5,000 others since the protests began on March 30.