Afghan security forces 'shrink sharply' - US watchdog

Afghan security forces 'shrink sharply' - US watchdog - BBC News: 

The report says more of the population is falling under the control of militant groups including the Taliban.
The report was released by a group known as Sigar (the Special Inspector General for Afghanistan Reconstruction).
It says the Taliban and other militant groups now either control or influence more areas of the country since the group started recording the data in late 2015.