The protesters, including some families of hostages still being held by Hamas in Gaza, are demanding that all aid be cut off until some 136 remaining captives are freed.
Katz said his agenda there is to "secure unified EU Council support for Israel's self-defence measures against Hamas and to ensure the safe return of all our hostages."
The Israel Defence Forces (IDF) on Sunday released footage of a tunnel in southern Gaza, where Hamas was allegedly holding around 20 hostages at different times, CNN reported.
The US President also discussed the ongoing efforts to secure the release of all remaining hostages under Hamas captivity and reviewed the situation in Gaza.
Hamas terrorists took Bibas, his 4-year-old brother Ariel, and their parents, Shiri and Yarden, from their home in Kibbutz Nir Oz along with some 240 others during the Oct. 7 assault on the northwestern Negev.
Videos circulated on social media depicted women carrying signs with messages such as "no more time," while chants of "me too, unless you're a Jew" and "wake up world" echoed through the streets.
Israel and Hamas have agreed upon a Qatar brokered-deal that will allow medicines to be delivered to Israeli hostages in Gaza in exchange for the delivery of medicine and humanitarian aid to Palestinian civilians, according to CNN.
President of Israel Isaac Herzog together with First Lady Michal Herzog will depart Wednesday for a day-long visit to the World Economic Forum at Davos, Switzerland. His office said that the trip is part of Israel's continued efforts to secure the release of the hostages held by Hamas in Gaz
Over the past day, Hamas released videos showing hostages Itay Svirsky, Noa Argamani, and another hostage, whose family requested that he not be named.
US Secretary of State Antony Blinken also released a statement on Sunday saying US officials were working "around the clock" to secure the release of every hostage.