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Our top stories.

Doctors at Gaza's biggest hospital

said the situation had become catastrophic,

after Israeli attacks on the facility reportedly intensified.

The World Health Organization said the hospital was facing a bombardment and that as many as 50,000 people were sheltering there.

Israeli forces have claimed that Hamas fighters are in tunnels beneath the hospital, which Hamas denies.

Emmanuel Macron, the French president, told the BBC that Israel must call a ceasefire and stop killing civilians in Gaza.

Joe Biden registered for the South Carolina primary in February, now the first clash in the race to the Democratic nomination.

The state has displaced Iowa and New Hampshire which used to hold the initial contests. The president should easily defeat Dean Phillips, a congressman

from Minnesota and Marianne Williamson, a self-help guru. The primary matters mostly as an early test of voter enthusiasm, especially among African Americans.

Muhammad bin Salman, the de facto leader of Saudi Arabia, met his Iranian counterpart, Ibrahim Raisei,

for the first time since the country's restored diplomatic relations in March after a seven-year lapse.

The pair, among dozens of leaders from the Islamic world, were at a summit in Riyadh that was

convened to discuss the situation in Gaza.

...