A key adviser has said that US Republican presidential candidate Mitt Romney would back Israeli military strike against Iran nuclear programme, according to the Associated Press.
The visit is the latest part of a three-nation trip that includes Britain and Poland.
More top news
President Bashar al-Assad has said western leaders' "plotting against Syria" had failed and Islamic State is now expanding in his country.
Paid parental leave is to be extended to working grandparents under plans announced by George Osborne.
Tickets for next year's Glastonbury Festival in Somerset have sold out in just over thirty minutes.