exacerbated

by the death of a 37-year-old man, whose body was found on the roof of a farmhouse after clashes on Friday night. The exact circumstances aren't clear, but the opposition says he was a protest leader killed by security forces, who were beating demonstrators and firing

buckshot

. The authorities have announced an investigation.

An American company, Titan Salvage, has been awarded the contract to salvage the Italian cruise liner Costa Concordia, which sank off the coast of Tuscany in January with the loss of 32 lives. Nine people have been investigated in connection with the disaster, including the captain Francesco Schettino, who's under house arrest. David Willey reports from Rome.

It's expected to take about a year to raise the 114,000-tonne cruise liner, which is lying on its side in shallow water just outside the tiny tourist ford. The vessel will be re-floated by placing airbags under the hull after a huge

gash

on the port side has been repaired. It's not yet clear whether the Costa Concordia will be repaired or will be scrapped after it's been towed away to an Italian port. Fears that the shipwreck might cause an environmental disaster because of leaked fuel have proved unfounded.

BBC News

South Sudan has accused Sudan of a concerted attempt to destroy one of its oil facilities despite recent move[s] to

defuse

the conflict between the two countries. A number of blasts have been heard in South Sudan, where a senior military official told the BBC an air attack had targeted the oil-processing facility of the Unity oil field.