The 46 member Council supported a Palestinian drafted resolution by 29 votes. The United States was the only member to vote against it – while Ireland and 16 other European countries abstained.
It comes as diplomatic efforts continue today to try and reach a ceasefire between Israel and Hamas.
Last night the Hamas Leader, Khaled Meshaal called for a temporary truce in Gaza, to allow humanitarian aid into the territory.
Fianna Fáil Senator Averil Power says the killings of innocent civilians in Gaza needs to be investigated and she's shocked at the Government's decision to abstain from the vote
Meanwhile, the US has lifted a ban on flights to and from Israel that was put in place after a rocket attack near Tel Aviv's airport.
Many European airlines still aren't flying there, on the strong recommendation of the European Aviation Safety Agency.
Elsewhere, the Ireland Palestine Solidarity Campaign has written to all the major supermarket chains asking them to remove Israeli products from their shelves.
The group claims revenue from these products is helping to fund regular human rights abuses and violations of international law.
