The Pogues frontman given a rousing send-off thanks to interpretation of the Christmas classic led by Glen Hansard and Lisa O’Neill.
"Shame on you," Israel's foreign minister hit out at the Irish taoiseach.
A 5-year-old girl was seriously injured in an attack that also saw a woman and two other young children hospitalised.
Officials had to quickly delete the offending message.
A 2022 clip that shows a judge skipping over the only Black girl at a medal ceremony has drawn international outrage, including from Simone Biles.
The story prompted what could be one of the funniest ever Community Notes on X, formerly Twitter.
Showbiz luminaries including Ice-T and Bryan Adams joined Ireland's prime minister and others in paying their respects to the Nothing Compares 2 U singer.
The 1990 hit single Nothing Compares 2 U made the Irish singer an international star.
The US president met with prime minister Rishi Sunak during the visit.
The US president appeared to mix up the nickname of the New Zealand team with a War of Independence-era police force.