The United Nations warned Kenyan authorities Tuesday that closing the world's biggest refugee camp complex would have "extreme humanitarian and practical consequences" and would violate international law.

On Sunday, the Kenyan government said it had asked the U.N. refugee agency to repatriate hundreds of thousands of Somali refugees from the sprawling Dadaab refugee camp by July in the wake of the Garissa University massacre claimed by Shebab insurgents from Somalia.

Somalia's Al-Qaida-linked Shebab militants on Tuesday blasted their way into the higher education ministry with a car bomb before storming the building, killing nine people.

Police and witnesses said the car bomb caused a huge explosion which allowed the gunmen to force their way into the fortified building.

Refugees from war-torn Yemen describe the terror of intense airstrikes as they arrive in the Horn of Africa, where aid agencies are fearing an influx of people.

On the sun-blasted shores of Djibouti, those who have taken a perilous boat ride across the Gulf of Aden describe the horror of the airstrikes that pounded their homes in Yemen.

A panicked student was killed and 150 more were hurt in a stampede at a Kenyan university campus when an electrical blast sparked fears of a new Islamist attack.

Some students jumped from the hostel from as high as the fifth floor at the University of Nairobi campus after the pre-dawn explosion, vice-chancellor Peter Mbithi told AFP.

Kenya said it has asked the U.N. refugee agency to repatriate hundreds of thousands of Somali refugees by July in the wake of the Garissa University massacre.

"We have asked the UNHCR to relocate the refugees in three months, failure to which we shall relocate them ourselves," a government statement quoted Vice President William Ruto as saying in a speech Saturday.

Somali refugees in Yemen are now coming back to their war-torn home as fighting rages in the Middle East country, officials said Saturday.

A boat carrying 260 Somali refugees, many of them women, children and elderly, has become the latest to dock at Somalia's Bossasso port in the Puntland semi-autonomous region.

The funerals began Friday of students killed in a university massacre of almost 150 people, as some parents still waited to receive the remains of their loved ones.

In Nairobi, hundreds of students gathered as the body of Angela Nyokabi Githakwa, known as Jojo, was taken amid tears and wails from the mortuary to her home village in Kiambu, some 20 kilometers (15 miles) to the north.

Aid agencies warned Friday that Kenya's shutting down of money transfer services to Somalia over suspected links to the Al-Qaeda-linked Shebab will hit the poorest hardest and jeopordize their operations.

Kenya on Wednesday froze key transfer companies vital for impoverished Somalia, as part of a crackdown on alleged Shebab supporters following the university massacre of almost 150 people by the Islamists last week.

Somalia's government has issued bounties for 11 top leaders of the Al-Qaeda-linked Shebab militants, with $250,000 offered for the extremist's chief, Ahmad Umar.

Other rewards include $150,000 for the capture of Mahad Karate who runs the Amniyat, a special internal security wing that deals in intelligence and assassinations.

The United States said Wednesday a former Guantanamo prison detainee was among several suspects it helped Ugandan authorities arrest in connection with the murder of a prosecutor overseeing the trial of men linked to 2010 Shebab bombings in Kampala.

U.S. State Department spokeswoman Marie Harf did not elaborate on exactly what assistance the country gave in the operation.