Azerbaijani and Armenian forces on Wednesday said they were largely observing a truce that halted four days of clashes which claimed scores of lives

Azerbaijani and Armenian forces on Wednesday said they were largely observing a truce that halted four days of clashes which claimed scores of lives in the worst outbreak of violence in decades over the disputed Nagorny Karabakh region.

"The ceasefire was largely observed overnight along the Karabakh frontline," the Armenia-backed separatist defense ministry in Karabakh said in a statement.

Azerbaijan's defense ministry said its forces were "strictly abiding by the ceasefire agreement" that was hammered out on Tuesday by the Azerbaijani and Armenian army chiefs during a meeting in Moscow.

The fragile truce comes after at least 75 people were reported killed as the festering dispute over the territory -- which was captured from Azerbaijan by Armenian separatists in an early 1990s war -- escalated dramatically on Friday, sparking international concern.

Azerbaijan's army claimed to have snatched control of several strategic locations inside Armenian-controlled territory, effectively changing the frontline for the first time since an inconclusive truce ended the war in 1994.

"Azerbaijani troops are currently reinforcing the liberated territories," Baku's defense military said in its statement.

Yerevan, however, insists that the Azeri side has been ousted from any positions it might have snatched inside the disputed territory.

"Even if certain Armenian positions were at some point taken by Azeris, now they are all returned under Karabakh's control," Armenia's defense ministry spokesman Artsrun Hovhannisyan told AFP on Tuesday.

An AFP photographer in the village of Matagis in Karabakh, some 10 kilometers (six miles) from the frontline, confirmed that "the night was calm and without shooting."