Jordan's Prime Minister Bisher Khasawneh submitted his resignation on Sunday less than week after a parliamentary election that saw some gains for the opposition.
Jaafar Hassan, now head of King Abdullah's office and a former planning minister, is expected to replace Khasawneh, a veteran diplomat and former palace advisor who was appointed nearly four years ago, the officials told Reuters on condition of anonymity.
Hassan will face the challenges of mitigating the impact of the Gaza war on the kingdom's economy, hard hit by curbs to investment and a sharp drop in tourism.
The outgoing prime minister had sought to push reforms pushed by King Abdullah to help reverse a decade of sluggish growth hovering at around two per cent that was worsened by the pandemic and conflict in neighbouring Iraq and Syria.
The Muslim Brotherhood opposition and ideological allies of Hamas made significant gains in Tuesday's election, boosted by anger over Israel's war in Gaza.
The new composition of the 138 member parliament retains a pro-government majority, but a more vocal Islamist-led opposition could challenge IMF-led free-market reforms and foreign policy.
Iran is reviewing a proposed agreement with the United States to halt the war between the two countries, Iran's Mehr news reported on Tuesday, after US President Donald Trump said talks to reach a deal were continuing.
The World Health Organisation said there have been 321 confirmed cases of Ebola in the Democratic Republic of Congo outbreak and 116 suspected cases, marking a large drop in the number of suspected cases as hundreds were ruled out after investigation.
Israel kept up strikes on southern Lebanon on Tuesday, pressing its campaign against Hezbollah a day after US President Donald Trump asked Israeli Prime Minister Benjamin Netanyahu not to attack Beirut, averting further escalation in the three-month-old war.
Russian drones and missiles pounded the Ukrainian capital Kyiv and other cities early on Tuesday, killing at least 11 people and wounding more than 100, authorities said, following days of warnings about Moscow's plans for a major assault.
Two people died in central Kenya during a protest against a planned US Ebola quarantine facility, a protest organiser told Reuters on Tuesday, as President William Ruto rebuffed criticism it will endanger Kenyans.