UK migrant centre sees sixfold rise in a year of staff sacked over failed drug tests

Home Office says it has a zero-tolerance approach' to illegal drug use and has introduced more robust' procedures

A total of 29 staff have been sacked after positive drug tests at the Manston migrant processing centre - a sixfold increase in the space of a year, the Guardian has learned.

Thousands of asylum seekers who arrive in the UK after crossing the Channel on dinghies are processed at the site near Ramsgate in Kent by Home Office officials and contractors. Many of the new arrivals are vulnerable and arrive in the UK traumatised.