As they alighted from the train, and were about to seek some taxicabs to take them to lodgings that had been assigned them, they all became aware of the fact that something unusual was going on. Suddenly the electric lights went out, leaving the region about the station, and indeed all of Paris, in comparative darkness.
At the same time a motor fire engine rushed screeching through the streets, giving an alarm.
"What is it?" cried Boughton. "Is the big gun firing?"
"It's a Zeppelin raid! I was here once before when they had one," said the Englishman coolly. "Mind your heads, boys. Just our rotten luck not to have a machine to go up after it."
He hurried out into the open street where he could have a view of the sky, and the others followed. There was more excitement than during the bombardment of the big gun. People were rushing here and there in search of safe places, and taxicabs, with their lamps like fireflies in the darkness, were skidding hither and yon, their horns calling for a clear way.
Suddenly there was a muffled roar, at some distance off. This was followed by a hoarse murmur, as though a burst of rage from many throats at the unspeakable outrage of the Huns in killing women and children.
At the same time the anti-aircraft guns, with
