The health ministry said the Israeli army has killed 155 Palestinians and wounded more than 17,000 others in the eastern Gaza Strip since the start of rallies and protests on March 30.
The breach comes amid another round of violent riots along the Israeli-Gaza border that have occurred nearly weekly for the past several months.
The delegation was welcomed by Hamas leader Ismail Haniya and members of the group's political bureau.
Israel's military says a tank fired at a Hamas military post in Gaza after Palestinians briefly crossed the frontier and threw bombs.
Demi Lovato's Bodyguard Credited With Saving Her Life
One of TMZ's sources, said: "She could die if she doesn't, and that's not going to be on my watch that we did nothing". Currently, Lovato is still in clinic Los Angeles, where he was taken after the overdose .
Aruri, who lives in Lebanon and has never before visited Gaza as he is wanted by Israel, was given Egyptian and United Nations assurances over his safety, the Hamas source said.
The Israeli military said the vessel, named "Freedom for Gaza", was "intercepted in accordance with global law".
Palestinian protesters wave their national flag as smoke billows from burning tyres in front of Israeli forces during a demonstration along the border between Israel and the Gaza strip, east of Gaza city on August 3, 2018.
Israel has lost tracts of farmland and forests to fires set by kites and helium balloons laden with incendiary material and flown over from Gaza.
Abdul-Latif Qanou, Hamas spokesman in Gaza, said in a statement that the marches have become very close to achieving its goals.
USA may raise tariffs on US$200b in Chinese goods to 25%
A second round of tariffs on products worth $16 billion could take effect as soon as this week. Previously, the administration was considering just a 10% tariff on these goods.
Israel says its naval blockade of Gaza is meant to prevent weapons from reaching militant groups.
Hamas has already hinted that it has not objected to the details of the agreement, but called for amendments, especially concerning a waterway linking the Gaza Strip with Egypt or Cyprus.
Israel and Palestinian militants have fought three wars since 2008 in Gaza, an economically disadvantaged 365 square kilometer territory where more than two million Palestinians reside.
The vessel Freedom for Gaza was the second vessel of the "Freedom Flotilla" to be seized as it tried to "break the blockade" on Gaza, organizers said.
West Nile virus confirmed in Virginia and Maryland
Since DEP first began monitoring for the virus in 2000 there have been 33 fatal cases of West Nile virus in Pennsylvania. People with the milder form of the illness typically recover on their own, although symptoms may last for several weeks.