Handwritten letters a lifeline in war-devastated Darfur

With no cell service or phone calls, people in Sudan's war-ravaged western region of Darfur are resorting to a bygone means of communication: handwritten letters, carried by taxi drivers.

Ahmed Issa, 25, sits on a plastic chair in a roadside cafe penning a message to relatives he left behind in Nyala, the capital of South Darfur state.

In the safety of El Daein, 150 kilometres southeast, he told AFP the letters are often the only way to get news in and out of his hometown, the second-biggest city in Sudan and the site of brutal battles between the regular army and the paramilitary Rapid Support Forces (RSF).

"Even at the start of the fighting, it was hard to get in touch with people in other neighbourhoods inside Nyala," he said, nearly five months after the war began.

The situation has only grown worse since, with horrific violence reported across Darfur, a region the size of France that is home to around a quarter of Sudan's 48 million people.

They remember all too painfully the years-long war and atrocities that began in 2003. Hundreds of thousands were killed and more than two million displaced after the government of Omar Al Bashir unleashed the Janjaweed militia in response to a rebel uprising.

Hunched forward in a black patterned shirt and a neat crew cut, Issa carefully folds his letter over and over.

"You wait a week for the letter to arrive, and you don't know for sure if they'll get it," he told AFP.

"And if they do, there's no guarantee they can send one back" through the treacherous roads in and out of Nyala.

Three months ago, the West Darfur state capital of El Geneina seemed to be the nucleus of the fighting, becoming a symbol of the return of ethnic violence in Darfur. Western countries and the UN linked the violence to the RSF and its allies.

It triggered the International Criminal Court to open a new investigation into alleged war crimes.

Now Nyala is the centre of clashes between the army and the RSF.

On one day last week 39 civilians, most of them women and children, were killed when shelling hit their homes in Nyala, medics and witnesses said.

Over 10 days in August, more than 50,000 people fled Nyala's violence, according to the United Nations.

Water and electricity networks quickly failed, compounding threats in a city where one in four people already needed humanitarian aid before the war, the UN said.

Residents on Sunday looked up to see a new escalation of the violence: air force fighter jets -- whose strikes have been largely limited to the capital Khartoum -- were flying overhead.

Their bombs struck both RSF bases and the residential neighbourhoods they inhabit, witnesses told AFP.