内容摘要：In August, the inspection report was extended until the end of November.

In August, the inspection report was extended until the end of November.

Mia, who has exchanged messages with moderators on the website, describes the site as an "echo chamber" which can "push people over the edge"."There is almost definite grooming taking place," she says.

The BBC has spent yearsthe online forum that Vlad was a member of. It now has more than 50,000 members globally and Vlad's family want it taken down or blocked.By coincidence, Vlad had ordered poison from a Ukrainian seller called Leonid Zakutenko, just before the BBC

But Vlad did not swallow that poison. The chemical he eventually ingested was ordered from Poland and had been mis-labelled, possibly to get through customs.Following his death, the family read all Vlad's posts and exchanges on the forum and describe how things appear to have "slowly escalated".

Vlad's mother, Anna, says: "Then you have private chats and you are led down the path of death. Anyone can come across it. A child can come across it. There's no checks.

"The people who sold the poison, the people who encouraged it, how is that legal?"Since then, it seems the Iranian regime has been hiring criminal organisations to carry out kidnappings and killings in an attempt to avoid linking the attacks back to the regime.

But Matt Jukes, the UK's Head of Counter Terrorism Policing, says it is relatively easy for police to infiltrate criminal groups because they are not ideologically aligned with the Iranian regime.It is what he calls a "creeping penetration" by Iran, which the police are trying to disrupt.

Searches are continuing at a number of addresses after five men were arrested on Saturday over an alleged terror plot in the UK.Home Office minister Dan Jarvis said hundreds of officers were carrying out forensic investigations and collecting evidence at different sites across the country during a Commons statement on Tuesday.