1.   About that time, Rosenthal left Miami for Las Vegas after being questioned by police in Miami about a series of unsolved bombings.

2.   Indeed, there had been more unsolved bombings of black homes and churches in Birmingham than in any other US city.

3.   Investigators from the U.S. authorities have arrived on St. Lucia to help look into the unsolved bombings of three boats owned by a Grenadian sport-fishing guide.

4.   New border procedures were imposed after a series of unsolved bombings in New Delhi since October.

5.   No one has claimed responsibility for the attacks, the latest in a series of unsolved bombings.

6.   Tempers rise over unsolved anti-Jewish bombings.