More bizarre footage has emerged of a 'UFO' which appeared to fall out of the sky in the United Kingdom.

Witnesses have described seeing an unidentified object falling in the Bath and Trowbridge area slowly, leaving a trail of vapor and then thick black smoke in its wake.

People have been left baffled by the incident which was captured on camera last Thursday (April 9) but due to the slow speed and direction the object was heading, a plane has been discounted.

Witnesses have described seeing an unidentified object falling slowly, leaving a trail of vapor and then thick black smoke in its wake.

Here is the footage: