At least two people were killed and several others were injured on Sunday when a six-storey residential building collapsed in the Kenyan capital Nairobi, officials said.

Hospital officials said Monday they had treated 28 survivors pulled out of the rubble of the building, situated in Nairobi's Haruma neighborhood, but it remained unclear if others were still trapped.

The Kenyan capital's main international airport was shut for several hours on Sunday following the crash-landing of a domestic flight, airport officials said.

The Kenyan Airports Authority said a Fokker 50 flying from Wajir in the northeast and operated by Skyward suffered landing gear failure and landed on its belly at Jomo Kenyatta International Airport, blocking the sole runway. No casualties were reported.

The son of Kenya's main opposition leader Raila Odinga was found dead Sunday in his home near Nairobi, prompting a major police investigation and minor unrest in the capital, police and media reports said.

Police said Fidel Odinga, 41, who was seen by political observers as a potential successor to his father, returned home on Saturday night after an evening out drinking with friends and was found dead in his bed on Sunday.

A Libyan accused over the 1998 al-Qaida bombings of U.S. embassies in Africa died on Friday, days before he was to stand trial in New York.

Abu Anas al-Libi, 50, was on the FBI's most-wanted list with a $5 million price on his head when he was captured by U.S. troops in the Libyan capital Tripoli in October 2013.

Kenya's High Court on Friday suspended key parts of a controversial new national security law pending a full examination of the legislation.

High Court Judge George Odunga announced that the application of eight sections of the new anti-terrorism law would be suspended because they raised concerns over human rights.

The UN World Food Program (WFP) said Tuesday it will resume full food rations to refugees in Kenya in January following a successful appeal to foreign donors.

Last month WFP announced it had been forced to slash food handouts to nearly half a million people living in two camps in northern Kenya and who have fled conflict in Somalia, South Sudan and Sudan.

Kenyan's opposition on Tuesday lodged a legal challenge in the High Court against a controversial new anti-terrorism law, arguing the east African nation was at risk of becoming a dictatorship.

The security bill was passed by parliament last week after a debate that sparked brawls between governing coalition and opposition MPs, and was signed into law by President Uhuru Kenyatta on Friday.

Ethiopia said Monday it was ready to boost its troop levels in Somalia to replace soldiers from Sierra Leone, which has been forced to withdraw its forces from the mission over Ebola fears. 

A former Somali warlord who allied to the Islamist Shebab group but severed links this summer has been removed from a U.N. sanctions list.

Mohamed Said Atom, a powerful arms dealer, was targeted with U.N. travel and financial sanctions for "kidnapping, piracy and terrorism."

Kenyan President Uhuru Kenyatta on Friday signed into law a controversial anti-terror bill that sparked brawls in parliament and charges that it violates basic freedoms.

Kenyatta said he was satisfied that the text adopted by the National Assembly on Thursday did not breach the country's bill of rights.