International Criminal Court Prosecutor Karim Khan has defended his decision to bring war crimes allegations against Israel's prime minister, saying Israel had made "no real effort" to investigate the allegations itself.

Karim Khan’s defence of Gaza war crimes allegations against Netanyahu comes amid delays over ceasefire ratification.

The International Criminal Court’s chief prosecutor has told judges that Israeli objections to the investigation into the 13-month war in Gaza should be rejected

Prosecutor Karim Khan held discussions on Friday with Syrian authorities on how the war crimes tribunal could help in their efforts to prosecute crimes allegedly committed in the country, his office said.