At least two Syrian deaths were announced in connection with the attacks, which reportedly hit two tanks that fired the mortars and the position from where the mortars were fired.
Iranians participating in Quds Day, a yearly anti-Israel event, also called for unity among pro-Palestinian groups against the "child-murdering" Israeli government.
The P.A. also said it is continuing to provide payments to the families of terrorists jailed in Israel after the U.S. secretary of state claimed otherwise.
Further reductions in the electricity supply to the strip are likely to hasten an escalation in violence, according to Israeli military officials.
In a letter signed by Rep. Keith Ellison and three other Democrats, the lawmakers say they fear that Israeli military courts cannot render a fair verdict in the case of Issa Amro.
The center in the village of Buraq was named for Dalal Mughrabi, who led the 1978 massacre on a highway near Tel Aviv that killed 37 civilians, many of them children, and injured dozens. It opened last week.
Typography designer Liron Lavi Turkenich has created a stylized writing system that merges the two ancient alphabets into a single giant one.
The Foreign Relations Committee amended clauses that critics said could scuttle the Iran nuclear deal.
David Harris of the American Jewish Committee said the president "could not have been clearer in his description of Hezbollah and Hamas as the terrorist groups they most assuredly are."
The United States said it believes the Syrian government built a crematorium to cover up the killing of as many as 50 detainees a day at a prison north of Damascus.