BBC News with Mike Cooper
Sudan has pulled out of negotiations with South Sudan as heavy fighting continues for a second day between the">the two countries over the">the disputed Heglig oil field. A senior official in Khartoum said Sudan had also complained to the">the United Nations and African Union about what he called South Sudan's
unjustified
aggression. But a spokesman of the">the South Sudanese army, the">the SPLA, Colonel Philip Aguer, said Khartoum provoked the">the fighting.
"It wasn't the">the decision of the">the government of South Sudan to attack Heglig, but it was Khartoum, who for a whole year targeted, by air and land, SPLA positions, the">the extent to which we may publicly know. In just one month, in March, Khartoum carried out 60 air strikes, and in the">the last 48 hours, the">the Khartoum government decided to attack SPLA positions in Unity state. The SPLA responded to this attack, fought back and chased the">the attacker up to Heglig.
The Syrian government has promised to stop military operations on its territory at dawn on Thursday, but it said it would respond to what it called attacks by "armed terrorist groups". Syria has used the">the expression to refer to operations by opposition forces. Anti-government forces say they">they'll
abide by
the
truce
,
provided
government troops withdraw their heavy weapons from towns and cities. Jim Muir reports from neighbouring Lebanon.
Even as the ceasefire announcement was being made, people in Homs were still hearing the terrifying noises of incoming shellfire that had been