UK Stocks-Factors to watch on Jan 12

Jan 12 (Reuters) - Britain's FTSE 100 index is seen opening up 8 points on Friday, according to financial bookmakers. * CARILLION: British building and services company Carillion Plc is asking creditors to consider a debt extension or roll-over in financing talks, which are set to continue into Friday, a source familiar with the situation said. * UK BANKS: British Prime Minister Theresa May told bankers from firms such as Goldman Sachs on Thursday they were a priority for her in