The aid agency Doctors Without Borders (MSF) said Thursday it had evacuated 42 of its staff from the Dadaab refugee camp for Somalis in northeastern Kenya, citing "deteriorating security conditions."

"The current security situation is severely limiting the ability of our medical staff to provide humanitarian aid to people who desperately need it," said  Charles Gaudry, MSF's head of mission in Kenya.

A Kenyan lawyer has offered U.S. president Barack Obama 50 cows and other assorted livestock in exchange for his 16-year old daughter Malia's hand in marriage, a report said Tuesday.

Felix Kiprono said he was willing to pay 50 cows, 70 sheep and 30 goats in order to fulfill his dream of marrying the first daughter.

Kenyan police have fought a fierce battle with Shebab militants after an ambush near the border with Somalia, officials said Tuesday.

The militants claimed in a statement that at least 20 police were killed, although Kenyan authorities insisted that only five officers were wounded, with Interior Minister Joseph Nkaissery dismissing claims of fatalities as "propaganda".

Islamist gunmen raided a village in northeastern Kenya, the interior ministry said Friday, the latest in a string of brazen attacks by the Somali-led, al-Qaida affiliated insurgents.

There were no casualties reported in the remote village, close to the porous border with Somalia, and some 80 kilometres (50 miles) northeast of regional capital Garissa.

At least 65 people are confirmed to have died in a nearly five-month-old cholera outbreak in Kenya, with infections also continuing to rise in the capital Nairobi, health officials said Wednesday.

Health Minister James Macharia said 326 new cases have been reported over the past week nationwide, a nearly 50 percent increase over the previous week and bringing the total number of cases to 3,223.

Uganda said Saturday it was boosting security measures following fresh threats against the east African nation by Somalia's al-Qaida-linked Shebab rebels.

A statement by police said a new video purportedly from the Islamists and urging attacks in Uganda and Burundi -- nations that both contribute troops to the African Union's AMISOM force in Somalia -- has been circulated online.

Hundreds of prostitutes have flocked to a Kenyan town ahead of the beatification ceremony of an Italian nun, a key step towards sainthood, a report said Thursday.

"Who doesn't need body gratification? By the way, even Christians need sex," one woman told The Star newspaper, in the central Kenyan town of Nyeri.

Kenyan President Uhuru Kenyatta promised Wednesday not to force refugees home, backtracking on a three-month deadline issued by his deputy that would have pushed hundreds of thousands back to war zones.

Kenya had threatened to send refugees home -- including closing the world's largest camp complex in Dadaab, where more than 360,000 Somali refugees live -- following last month's university massacre of 148 people in Garissa by Somalia's Al-Qaida-affiliated Shebab insurgents.

Some 75 people have been killed in four days of cattle raids and revenge attacks in northern Kenya, the Red Cross said Wednesday.

"Over the last four days close to 75 Kenyans have died. Is it worth it, and what for?" Kenya Red Cross chief Abbas Gullet said.

At least 46 people have been killed and many others injured when cattle raiders attacked a village in northern Kenya, reports said Tuesday.

"The attack took place in a very remote zone," local official Osman Warfa told the Daily Nation newspaper.