Scottish supporters of staying in the United Kingdom are 4 percentage points ahead of secessionists with just a day to go before Scots vote in an independence referendum, three different opinion polls showed.
The most senior U.S. military officer raised the possibility on Tuesday that American troops might need to take on a larger role in Iraq's ground war against Islamic State militants, but the White House stressed they would not deploy on a combat mission.
Britain promised to guarantee Scotland high levels of state funding, granting Scots greater control over healthcare spending in a last-ditch attempt to shore up support for the United Kingdom before Thursday's vote on independence.
The Syrian military's air defenses would face retaliation if Syria attempted to respond to U.S. air strikes that are expected against Islamic State targets in Syria, senior U.S. officials said on Monday.
