UN says Israeli probes into Gaza killings must 'yield results'

The UN insisted Tuesday that Israel must not only investigate the hospital strike that killed 20 people, including five journalists, the previous day, but also ensure those probes yield results.

"There needs to be justice," United Nations rights office spokesman Thameen Al-Kheetan told reporters in Geneva, adding that the large number of media workers killed in the Gaza war "raises many, many questions about the targeting of journalists".

His comments came after an Israeli strike on the Nasser Hospital in the southern Gaza town of Khan Younis on Monday killed at least 20 people, including five journalists, sparking an international outcry.

"It's of course the responsibility of Israel, as the occupying power, to investigate - but these investigations need to yield results," he said.

"We haven't seen results or accountability measures yet. We have yet to see the results of these investigations, and we call for accountability and justice."

Kheetan said at least 247 Palestinian journalists have been killed in Gaza in Israel's war on Gaza began almost 22 months ago.