KYIV, Aug 7 - Ukraine has increased gas inventories in underground storage 65.7% since the end of the heating season, according to operational data from Ukrtransgaz.

The inventories amounted to 13.42 billion cubic meters (bcm) on August 5, up from 8.1 bcm on March 22.

The current inventories are 23.1% more than on August 5, 2016 (10.907 bcm), 1.8% more than on August 5, 2015 (13.183 bcm) and 10.7% less than on August 5, 2014 (15.041 bcm), according to Interfax-Ukraine calculations.