Britain is examining an Islamic State video showing a young boy in military fatigues and an older masked militant who both spoke with British accents.
Germany received a tip hours before midnight that militants from Iraq and Syria were planning New Year attacks in Munich but police could not find the suspects.
More than 55,000 people were killed in Syria in 2015, the country's fifth year of war, including over 2,500 children, a monitor said.
Troops fight their way into a rebel-held town in the southern province of Deraa
An Islamic State leader with "direct" ties to the alleged mastermind of the Paris attacks was among 10 senior figures in the group killed in Syria and Iraq this month, the Pentagon said Tuesday.
A rare UN-backed deal between Syria’s warring sides saw hundreds of fighters and civilians evacuate three towns yesterday, as bomb blasts in the regime-held city of Homs killed at least 19 people.
At least 32 people were killed and 90 wounded in two bomb explosions in the Syrian city of Homs on Monday, monitoring group the Syrian Observatory for Human Rights said.
The evacuation of more than 450 fighters and civilians including wounded started Monday from three Syrian towns under a rare deal between the regime and rebels, a monitor said.
The killing of Syrian rebel chief Zahran Alloush, fiercely opposed to both the regime and the Islamic State group, has eliminated a key bulwark against the militants and could derail UN-brokered peace talks, analysts say.
Czech President Milos Zeman on Saturday called the current wave of refugees to Europe "an organised invasion", adding young men from Syria and Iraq should instead "take up arms" against the Islamic State (IS) group.