June 10 (Reuters) - The following are the top stories in the Wall Street Journal. Reuters has not verified these stories and does not vouch for their accuracy.

- The U.S. launched military strikes against Iran on Tuesday in response to the downing of a U.S. Apache helicopter near the Strait of Hormuz.

- U.S. Trade Representative Jamieson Greer said Canada's retaliatory measures on U.S. products are a major obstacle to talks on a renewed trade pact between the two countries.

- Trump administration officials have asked a U.S. government artificial intelligence testing unit to halt issuing public reports as the White House tightens control over AI models.

- Anthropic is releasing a next generation "Mythos-class" AI model, Claude Fable 5, to the public with safeguards to limit potentially dangerous capabilities in areas such as cybersecurity and biological research.

- Kalshi plans to require participants in some prediction markets to disclose their employers, following recommendations to strengthen safeguards against insider trading and market manipulation.

- San Francisco voters rejected Proposition D, a measure to extend a tax on companies whose top executive earns more than 100 times the median pay of local employees.