* US and Russian leaders hail nuclear arms treaty US President Barack Obama and his Russian counterpart, Dmitry Medvedev, have signed a landmark nuclear arms treaty in the Czech capital, Prague.
* Qatari diplomat detained after incident on US plane A Qatari diplomat has been detained after an incident on a flight from Washington's Reagan airport to Denver.
* Top Obama advisor's recommendation: Reconcile with Hizbullah The administration of President Barack Obama has been examining the prospect of reconciling with the Iranian-sponsored Hizbullah.
* Iran will strike U.S. troops if attacked: army chief Iran would respond to any military attack from the United States by hitting U.S. forces stationed in the Middle East, its military commander said on Thursday.
* Sadr supporters reject leading candidates for Iraqi PM The Iraqi political group of radical Shia cleric Moqtada Sadr has rejected both of the front-running candidates for prime minister.
* US mini-summit in Prague seen as fresh snub in Brussels The US' decision not to invite any EU officials to a top-level security event in Prague is being seen as a fresh put-down by some in Brussels.
* World stocks drop as Greek debt crisis intensifies World markets slid Thursday amid mounting worries about a potential Greek debt default as the country's borrowing costs continue to go through the roof.
* Former Ambassador: Israel is the Only Religion-Based State Yitzchak Meir, who served as the Israeli ambassador to Belgium and Switzerland, spoke at the Third Annual Ramle Conference on Tuesday about the manner in which Israel must be presented to the world.
* Al Qaida moves to fill Iraq's vacuum of power with mass-casualty attacks Al Qaida has exploited the political vacuum in Iraq with its resumption of mass-casualty strikes.
* 'Superdominant' mutant tomato gene could spark revolution A single gene discovered by Hebrew University and US researchers promises to produce tomatoes – one of Israelis' favorite vegetables - in dramatically higher yields and with better taste.