1.   Darkness hampered early efforts as fishermen using floodlights searched the bay, according to officials and state media.

2.   Darkness hampered the search, and it was possible nothing definite would be known until daylight.

3.   Darkness hampered the search, making it possible nothing definite would be known until daylight.

4.   Darkness hampered the search, raising the possibility nothing definite would be known until daylight.

5.   Firefighters had not reached the source of the fire late Wednesday, as thick smoke and darkness hampered movement inside the tunnel, fire department spokeswoman Berit Wahlgren said.

6.   Johanis said electricity to the area was cut and the darkness had hampered efforts by police and troops to contain the fighting.

7.   However there were not yet any signs of survivors and the rescue effort was being hampered by darkness, the Xinhua news agency said early Wednesday.