Source:
Reuters.com Sept 13 (Reuters) - 1 hour ago: Clashes erupted between Azerbaijani and Armenian troops, Russian news agencies reported early on Tuesday, in a resumption of decades-old hostilities linked to the disputed territory of Nagorno-Karabakh.
...
"As a result, there are losses in personnel and damage to military infrastructure."
Azerbaijani statements said Armenian forces had been engaged in intelligence activity on its border, moved weapons into the area and on Monday night had conducted mining operations. It said its actions were "strictly local in nature aimed at military targets."
Armenia's Defence Ministry said: "Intensive shooting is continuing - started as a result of a large-scale provocation by the Azerbaijani side. Armenia's armed forces have launched a proportionate response."
Read more:
https://www.reuters.com/world/fresh-clashes-erupt-between-azerbaijan-armenia-2022-09-12/
Some additional sources:
The Jerusalem Post (4 hrs ago)
Clashes break out on Azerbaijani-Armenian border, US urges 'end to hostilities'
https://www.jpost.com/breaking-news/article-717014
DW (39 mins ago)
Border clashes erupt between Armenia, Azerbaijan
https://www.dw.com/en/border-clashes-erupt-between-armenia-azerbaijan/a-63098944
Reddit (video, unconfirmed)
Azerbaijan firing MLRS into Nagorno Karabakh. Large scale operations have once again begun as of now 13th September 00:05. Multiple drone strikes and heavy clashes ongoing
https://old.reddit.com/r/CombatFootage/comments/xcpju0/azerbaijan_firing_mlrs_into_nagorno_karabakh/