IAF aircraft on Tuesday evening were bombing smuggling tunnels along the Gaza Strip's border with Egypt. Earlier, Al Jazeera reported that Egypt had closed the border crossing at Rafah for fear of an impending Israeli air strike.
The army confirmed that it was striking tunnels along the border.
Channel 10 reported that "many" jets were participating in the second wave of attacks on tunnels along the Gaza Egypt border near Rafah since Operation Cast Lead began on Saturday.
On Sunday some 40 smuggling tunnels were bombarded by the air force.
Earlier Monday, the IAF struck two targets in Gaza City and the city of Khan Yunis, located in the south of the Strip. Army Radio reported that a Hamas police station was one of the targets.
The IDF warned Gazans to leave their homes prior to the attacks.
Overnight Monday, at least 10 people were killed and 40 others wounded when IAF planes bombed a series of targets in the Gaza Strip, Palestinian sources said.
The IDF confirmed air strikes against dozens of targets in the central Gaza town of El-Bureij, near Khan Yunis, and in Gaza City.
Hamas's Interior Ministry, Foreign Ministry and Treasury, and Hamas Prime Minister Ismail Haniyeh's offices were amongst the targets, as well as police stations.
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