It is not wrong to "criticise a prime minister who is strengthening an army that is in breach of international humanitarian law," President Higgins told the press.
Among those attending from more than 150 countries will be US President Donald Trump, who clashed with Francis on numerous occasions over their starkly contrasting positions on immigration.
This comes after several Israeli diplomatic missions deleted condolence messages after Pope Francis's passing.
Prime Minister Benjamin Netanyahu expressed his condolences to the Catholic world for Pope Francis' death three days after pontiff passed away.
Dr. Sergio Alfieri said that as soon as he realized the Pope was in a coma, there was nothing he could do to save his life.
In the wake of Pope Francis’ death on Monday, Catholic cardinals from across the world will gather for a conclave in the Vatican’s Sistine Chapel to elect the next pope.
Worshippers shed tears under the rotunda, while others lit candles and knelt at the Stone of the Anointing to honor the pontiff's passing.
Pope Francis, who passed away on Monday at the age of 88, was an "alien presence" at the Vatican, bringing about a revolution of modesty and simplicity within the Catholic Church.
Israel's former ambassador to the Vatican: Deleting the tweet was "a mistake" and "we shouldn't keep score like this after someone's death."
From the very beginning of his papacy, Francis struck a markedly different tone toward the Jewish State than toward its adversaries.