1.   At York University ... Police frogmen have been searching lakes looking for a weapon ... believed to be a six inch blade.

2.   Police frogmen have been searching the lake looking for a weapon.

3.   Police frogmen have been searching lakes looking for a weapon... believed to be a six inch blade.

4.   At least two navy frogmen were searching the sea for bodies.

5.   Chung said four men had been sighted on the boat, and Navy frogmen were searching for more bodies.

6.   Civil Guard frogmen are searching a Mediterranean inlet for the knife used in the killing.

7.   Frogmen searched the area and found their bodies stuck in the reefs, police said.

8.   Navy frogmen were searching for more bodies.

9.   The radio report said navy frogmen were searching for the pilot of the plane.