Sectarian fighting has broken out again between rival Lebanese factions in the northern city of Tripoli.
Officials say three people were killed in the clashes involving Alawites and Sunni Muslims.
Fighting between two suburbs of Tripoli caused five deaths and dozens of injuries earlier this month.
Rival politicians formed a government of national unity two weeks ago but there has been further wrangling since over the issue of militia weapons.
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One rocket reportedly hit a block of flats and set a nearby vegetable market ablaze.
Shops were closed and people could be seen fleeing their homes near the battlefront, which separates Bab Tibbaneh district, which is Sunni, from the Alawite-dominated Jabal Mohsen area.
Lebanese army soldiers have taken control of the streets after previous violent outbreaks and have pledged a tough response to breaches of a ceasefire.
On Thursday, the cabinet decided to postpone talks on the issue of arms held by the Hezbollah movement.
Hezbollah - which is part of the new government, but also has a large and well-organised militia - is backed by Syria and Iran.
Saudi Arabia, Egypt, the US and France are among the main backers of the Future movement of pro-western Prime Minister Fouad Siniora.
The Future movement wants government policy to include disarming Hezbollah, which says its weapons are needed for resistance against its southern foe, Israel.
(BBC)
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