The approval comes as Hamas negotiators in Cairo consider an Israeli proposal to postpone or forgo a Rafah invasion in exchange for a release of Israeli hostages.
Saudi Arabia may not publicly want Israel in Rafah, but Riyadh has been watching the war closely since October 7.
Families of hostages plan protests demanding their release, citing recent reports of possible military actions jeopardizing captives.
Other Israeli officials criticized Itamar Ben-Gvir for his proposal to execute those who surrendered.
IDF strikes in Khan Yunis, Rafah and Nuseirat • Two Palestinians shot dead after trying to break through West Bank checkpoint
Palestinian media reported that there were wounded and those killed in the strikes.
The question regarding the current campus crisis is whether the Biden administration, while fighting to calm tensions in the Middle East, should also be addressing what is happening at home.
Blinken had previously said that an invasion into Rafah would be pose severe risk to the city's displaced population.
The IDF hopes that more civilians will follow this lead as new tent cities are set up for civilians to evacuate Rafah to Khan Yunis, al-Muwasi, and central Gaza.
The Belgian government's statement said at least seven people were killed by the strike on a building that housed about 25 people.