An Israeli tank fired two rounds into the southern Lebanese town of Markaba on Thursday, two Lebanese security sources told Reuters, 24 hours after a cease-fire barring "offensive military operations" came into force. One of the security sources said two people were wounded. Lebanon's state news agency said two people were wounded and transferred to hospital after an Israeli attack on the town, without specifying the type of attack. There was no immediate comment from Hezbollah and Israel on the tank rounds.