Round the world challenge. Holding off a late challenge from britains alex thomson. Good afternoon and welcome to the bbc news at one. Theresa may has outlined her vision of a truly Global Britain during an address to Business Leaders at the World Economic forum in davos. The Prime Minister said the uk was facing a period of momentous change and must forge a new role in the world. She said the road ahead would be uncertain at times but britain sought to become even more global and internationalist. And mrs may had a warning for bosses whose companies have a global reach, telling them not to forget their responsibilities to communities. Our Business Editor simon jack sent this report. Voiceover theresa may stepped out to face the global elite she has been so scathing about. And audience she acknowledged was still struggling to understand the referendum result. I know that this, and the other reasons britain took such a decision is not always well understood internationally. Particularly