Terrorism Alert Desk Feb. 5
The top German spy agency says ISIS is sending fighters disguised as refugees.
The head of the Domestic Intelligence Agency made the comments Friday.
He said ISIS militants disguised as refugees are a huge problem for his agency.
There are new developments related to Tuesday's explosion on a plane in the sky above Somalia.
Investigators say a laptop computer may have concealed the explosives that blew up the plane. An itial analysis of residue from the plane shows a military grade of the explosive - TNT.
An overnight drone strike killed a top Al Qaeda leader in Yeman.
That leader had a $5 million U.S. bounty on his head.