U.S. Secretary of State John Kerry said Sunday his country is committed to working with Egypt's interim rulers, on his first visit to Cairo since the army ousted president Mohammed Morsi.

On the eve of the opening of Morsi's trial, Kerry was in Cairo to shore up ties with a key ally and ensure it moves ahead on plans to restore democracy just weeks after Washington suspended aid to the country.

Ten people were killed in a feud between two families who went on a shooting rampage in a town of central Egypt on Saturday, security officials said.

The violence in the El-Badari area of Assiut province pitted members of the El-Shaieba and El-Aawashir families.

The body of a Hamas militant was recovered from a tunnel in Gaza on Saturday, a security source said, amid conflicting reports of the clashes with Israeli troops in which he was killed.

"The body ... was recovered from a tunnel after digging for more than 20 meters (yards) underground near the border" with Israel, east of Khan Younis in the central Gaza Strip, the source said.

South Sudan's controversial opposition leader Lam Akol returned home for first time in two years Saturday, after a presidential pardon cleared him of allegations of encouraging armed rebels.

Akol was a former warlord who fought on both sides during Sudan's 1983-2005 civil war, and the biggest critic of South Sudan's President Salva Kiir since splitting from the ruling party in 2009.

The Bahraini police on Saturday summoned the head of the main Shiite opposition faction for questioning, the group said, as tensions persist in the Sunni-ruled kingdom.

The summons was delivered to Ali Salman's house in the morning, the opposition al-Wefaq association said in a statement, adding it was not clear why he was being called in for questioning.

Egyptian authorities Saturday launched a nationwide search for a French woman reported missing when she failed to catch a connecting flight the day after she arrived in Cairo, officials told Agence France Presse.

The 25-year-old arrived in Cairo from Ghana on Thursday evening and had been due to fly to Basel-Mulhouse airport in France on Friday, airport security officials said.

Niger has rounded up close to 150 migrants crossing the Sahara to Algeria in the past two days, in a crackdown on illegal migration after 92 people died of thirst trying to make the same desert journey.

The grisly discovery Wednesday of the bodies of mostly women and children left stranded in the harsh Sahara desert after their trucks broke down, has prompted Niamey to clamp down on migrant trafficking networks.

Syria's government newspaper called U.N.-Arab League envoy Lakhdar Brahimi "one-eyed and many-tongued" Saturday, a day after he left Damascus on a trip aimed at building consensus for a peace conference.

An editorial in Ath-Thawra also lashed out at Brahimi's efforts to hold the so-called Geneva II between the regime and rebels within weeks, saying he was acting with "unnecessary haste."

Militants bombed a major oil pipeline in northern Iraq early on Saturday, disabling it and forcing pumping to be suspended, security officials said.

Three blasts went off along the pipeline, in Nineveh province, which runs to the Turkish port of Ceyhan, according to two security officials.

Syrian air and land forces pressed efforts to crush rebel-held pockets around Damascus on Saturday, as Kurdish fighters in the country's north drove home advances against jihadist groups, monitors said.

The Syrian Observatory for Human Rights said the air force carried out raids on Sbeineh, south of the capital, as regime troops shelled the town.