Europe

Limited information from Russian authorities about an explosion at a missile test site last week have led to speculation that it involved a top-secret nuclear-powered cruise missile.

The Vienna transit authority tried out piping four pleasing scents through its trains: green tea, grapefruit, sandalwood and melon. Straphangers said they preferred the air au naturale.

Turkey's hosting of millions of Syrian refugees has generated a backlash, and the government says too many are living in Istanbul. Some have been ordered to leave within two weeks.

Franky Zapata made the crossing on his second attempt after after a mishap halfway across sent his first flight plunging into the sea. Zapata says he'll work on a flying car next — after a vacation.