Mae adroddiad newydd a gyhoeddwyd heddiw yn dangos bod bron i 300,000 o gartrefi incwm isel ac agored i niwed yng Nghymru wedi cael gostyngiad yn eu treth gyngor yn 2016-17.
A new report published today shows almost 300,000 vulnerable and low income households in Wales received a reduction in their council tax in 2016-17.