of the pipe coupling; in particular, they aver that Matta's statement that "it should have been done a long time ago" demonstrates the City's prior knowledge of the condition. We disagree. Mr. Matta's alleged statement is not probative of the City's actual knowledge. Nowhere in the affidavit does Pat refer to Matta's or the City's actual knowledge of the pipe coupling's protrusion. Consequently, the Stokes did not controvert the City's summary judgment evidence concerning its lack of actual knowledge.
Because the condition at issue was a premise defect and the City established that it did not know of the defect, the City negated one element of the Stokes' cause of action. Thus, the trial court did not err in granting the City's motion for summary judgment. The Stokes' secondstandards that are “appropriate for use at the international, regional, national and local levels,” she said.

WHO might consider issuing a binding international agreement governing gene editing.

The panel is expected to work for 18 months on developing recommendations for WHO. This was its first meeting, which took place in Geneva, Switzerland, the headquarters of WHO, the health agency of the United Nations.

Hamburg said the announcement of the birth of gene-edited babies in China “was of great concern to all the members of the committee.”

Chinese biophysicist He Jiankui changed the DNA of twin girls with the aim of making them resistant to HIV, the virus that causes AIDS.

She said the committee was not investigating that case.

“The work of this committee is not to investigate cases that have occurred but really