After just one morning of 88-degree heat, road tar and discarded chewing gum morph into byways of urban magma.

Simon Birkhead, a painter whose medium is road tar, pauses before the shopping cart.

It shimmered over hot cement and melted road tar.

He zooms in - he can't resist - for a closer look: "Old blood and chunks so black it could be road tar.

Would anybody really want to drink wine that smells like road tar, wet rocks or gasoline?

Like Beckton, Southall was a major supplier of road tar.

Occasionally and rarely, one will find foreign material stuck in tire's tread causing vibration e.g. road tar in summer.

Hot conditions melted the road tar, which the cars kicked up into the faces of the drivers, blinding them and making the racing treacherous.

Another highly successful subsidiary supplied bitumen (road tar) and lubricants to the country.

Like toothpaste that had been mixed with road tar.