For each year Dec 15 to Nov 16, Dec 16 to Nov 17, Dec 17 to Nov 18, Dec 18 to Nov 19, Dec 19 to Nov 20 and Dec 20 to Nov 21, please let me know the number of people detained each year under section 136 of the Mental Health Act. Please give overall figures for London and break down by borough.

This information is not held by the GLA. Data relating to this request can be found on the London Mental Health Dashboard here. The Dashboard contains Section 136 Assessments data available by Mental Health Trust from 2014/15 to 2019/20 and Section 136 Incidents data available by Borough from April 16 to July 18.

In order however, to obtain a full and accurate picture for the timeframes you have requested you would need to make an application to the Home Office at [email protected]