He said investigators had not yet analyzed what role, if any, was played by the foul weather.

Officials later said the investigators can analyze Ms. Reno's decisions if they wish.

When the investigators analyzed the test results, they found a number of people who had passed the test after having failed several times.

Since then, numerous investigators have documented and analyzed the sites.

The investigators were also analyzing a statement issued by a previously unknown Islamic group taking responsibility for the attack.

The investigators are also analyzing the records from the computerized signal systems beside the track.

The investigators analyzed 114 published studies involving about 7,500 patients with 40 different conditions.

The two investigators independently analyzed Upjohn's clinical trial data, looking in particular at who dropped out of the studies and why.

State health officials said that the investigators were still analyzing the data they collected and could offer no preliminary assessments.

The investigators are still analyzing their data and it is far too soon to say whether the gene therapy will be effective.