Provincial sources in Homs were cited by the official Syrian Arab News Agency as saying authorities there repelled an attack from a group trying to enter the country from Lebanon.
The report states that Syrian forces wounded a number of militants, forcing the fighters to retreat to Lebanon.
The crisis in Syria, entering its second year, threatened to engulf Lebanon last month as pro- and anti-Syrian elements clashed near the shared border. Damascus held considerable influence over affairs in Beirut before the Lebanese revolution in 2005.
SANA reported a separate attack was thwarted from Turkish militants near Idlib province overnight.
The report from SANA came is U.S. Secretary of State Hillary Clinton addressed a global counter-terrorism conference in Istanbul.
Clinton delivered a statement to a Friends of Syria meeting in Washington saying it was time to adhere to a peace plan laid out by former U.N. Secretary-General Kofi Annan.
"The (Syrian) regime must end the atrocities, comply with all its commitments under the Annan plan, and allow the transition to a democratic Syria to begin," her statement read.
U.S. officials at the Washington meeting said it may be time to consider a Chapter VII resolution against Syria, which would authorize the use of force.
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