Usher debuts anti-Trump clothing line

Usher has launched a limited edition collection of t-shirts slamming US presidential hopeful Donald Trump.

The R&B star has teamed up with the apparel platform Teespring to sell the four-piece collection, which is available until July 5.

The range features two t-shirts, one hoody and one racer-back vest top, all sporting the slogan "Don't Trump America." The garments all come in various shades of green and are priced from $15 to $25.