Where will Prince Philip be buried, will he have a state funeral and where are other royals buried? The Duke of Edinburgh may have a low-key ceremony.
Israel and Hamas attacks escalate with airstrikes and rockets fired
Israel has halted flights at Ben Gurion Airport, after a Palestinian rocket fired from Gaza hit a building in a suburb of Tel Aviv.
At least one person is reported to have been hurt.
In Gaza itself, a 13-storey tower block collapsed after it was hit by an Israeli air strike.
Residents had been warned to evacuate and it is not known if there are any casualties.
So far 28 Palestinians and two Israelis have been reported killed in escalating violence, despite international calls for calm.
A warning: you may find some of the scenes in this report distressing.