Experts urge caution amid rising rail fatalities in Canada

OTTAWA — Newly released documents show federal public safety officials quietly expressed concern over the tech industry’s ability to curb the spread of extremist and terrorist content online after sector-wide layoffs. The documents, released to the National Post under federal access-to-information legislation, were prepared ahead of a 2023 meeting with Google, which owns YouTube, as well as a meeting with X, formerly known as Twitter. Officials specifically reported the rise in terrorist and extremist materials found on the platforms in the aftermath of the Oct. 7 attacks on Israel...