UK Prime Minister Rishi Sunak said Monday that his government believed that all planned targets had been destroyed in last week's US-led strikes against Iran-backed Huthi rebels.

The British leader also told lawmakers that there were no reports of civilian casualties from the joint strikes, which occurred overnight between Thursday and Friday.

"I can tell the House (of Commons) today that our initial assessment is that all 13 planned targets were destroyed," Sunak said during an address to parliament, describing the strikes as "successful".

Looking over his shoulder for eavesdroppers in a cafe, an Israeli anti-war campaigner leaned closer to a woman who plans to refuse military enlistment, risking jail time during Israel's unrelenting Gaza offensive.

"The decision to refuse is brave," said activist Nave Shabtay Levin, 20, who was jailed for 115 days until last March for refusing the draft.

"It is more brave during wartime," he said, addressing 18-year-old Sofia Orr who sat next to him in an outdoor Tel Aviv cafe.

Yemen's Huthi rebels hit a US-owned cargo vessel with a missile on Monday, the US military said, heightening fears for the volatile region after repeated attacks on shipping triggered American and British strikes.

After the Western strikes against scores of rebel targets last Friday, the Huthis said they would not be deterred and declared that US and British interests were "legitimate targets".

The Marshall Islands-flagged Gibraltar Eagle suffered a fire on board but no casualties and remained seaworthy, the US Central Command said, after the latest attack in recent days.

As the Palestinian anthem rang out before their Asian Cup opener against Iran, defender Mohammed Saleh's thoughts turned to his life in Gaza and his family trapped under Israeli bombardment.

Saleh had not heard from his family in two days as he took to the pitch in Doha's Education City Stadium on Sunday in front of 27,619 fans.

Hundreds of northeast Syrian villages and towns have lost power, with water supplies also affected, after Turkish strikes pounded electricity stations and infrastructure, the region's semi-autonomous Kurdish administration said Monday.

The Kurdish administration said Turkey had launched a series of strikes since Friday, mostly concentrated on infrastructure including power stations and oil refineries.

Britain will send 20,000 armed forces personnel to one of NATO's largest exercises since the Cold War, Defence Secretary Grant Shapps announced on Monday, warning of increasing threats to the Western-led alliance.

The deployment, which Shapps characterised as the UK's biggest to NATO in four decades, is aimed at "providing vital reassurance" over the "menace" posed by Russian President Vladimir Putin following his invasion of Ukraine, Shapps said.

An Iranian court has sentenced 2023 Nobel Peace Prize winner Narges Mohammadi to an additional sentence of over one year in prison on charges of spreading propaganda against the Islamic republic while behind bars, her family said on Monday.

The Revolutionary Court sentenced Mohammadi to 15 months in prison after a trial that she boycotted, her family added in their statement.

Israel on Monday said the "intensive" phase of its war on Hamas in devastated southern Gaza would end "soon" as the UN chief pleaded for an "immediate humanitarian ceasefire".

Hamas announced the death of two of the Israeli captives it abducted during its October attack that triggered the war, in a video Israel condemned as a "brutal use of innocent hostages".

An Israeli footballer left Turkey on Monday after being detained overnight and charged with incitement to hatred by displaying a message about the Israel-Hamas war during a top division match.

Sagiv Jehezkel, 28, held up a bandage on his wrist reading "100 days. 07/10" next to a Star of David when he celebrated scoring a goal for Antalyaspor against Trabzonspor on Sunday.

Pleas for peace and sporadic pro-Palestinian demonstrations were on display in Doha on Sunday as the team's opening match of the Asian Cup against Iran fell on the 100th day of the war in Gaza.

The 27,619 fans inside the Education City Stadium paused for a moment's silence for the victims of the conflict, with a solitary shout of "Free Palestine" from one fan cutting through the quiet.

Supporters draped in keffiyeh scarves and the red, white, green and black Palestinian national flag clasped shoulders during their national anthem.