A senior US official told Al Arabiya English that Lebanon-Israel ceasefire discussions during last week’s talks in Beirut were positive and substantive.The US asked Lebanon to declare a unilateral ceasefire with Israel to revive stalled talks to end hostilities between Israel and Hezbollah, a senior Lebanese political source and a senior diplomat said - a claim denied by Lebanon’s prime minister.They said the effort was communicated by US envoy Amos Hochstein to Lebanese caretaker Prime Minister Najib Mikati this week, as the US stepped up diplomatic efforts for a ceasefire between Israel and Iran-backed militant group Hezbollah.Mikati’s office in a statement to Reuters denied the US had asked Lebanon to declare a unilateral ceasefire. It said the government’s stance was clear on seeking a ceasefire from both sides, and the implementation of UN Security Council Resolution 1701, which ended the last round of conflict between the two foes in 2006.For the latest updates on the