The Times said the work by Israeli cyber operators was a rare success of Western intelligence against the constantly evolving.
Officials could not immediately confirm US media reports that Mr Warmbier has fallen into a coma during his incarceration.
London Mayor Sadiq Khan said firefighters were only able to reach the 12th floor of the 24-storey block at the height of the blaze.
Wahabi, 39, who lives on the ninth floor of the 27-storey Grenfell Tower, said she was awoken by smoke at around 1:00am on Wednesday.
Edward Daffarn said he was on 16th floor and heard a neighbour’s smoke alarm go off and another neighbour called and told him to get out.
Zarif described Iran-Kenya relations as good and assured Kenya of Tehran's readiness for providing humanitarian aid to the country.
The talks are being closely watched in European capitals as they could delay the expected start of Brexit negotiations next week.