Mumbai, Jan. 20 -- The British pound is seen adding close to 1% against the dollar on Tuesday amid sharp decline in the greenback overseas. The dollar index lingers at a one-week low, well below 99 mark on escalating tensions after US President Donald Trump announcement to impose new tariffs on goods from eight European countries fueled concerns about a broader trade war. US President Donald Trump said over the weekend that a 10% tariff would be imposed from February 1 on goods from Denmark, Sweden, France, Germany, the Netherlands, Finland, Britain, and Norway until the US is allowed to purchase Greenland. Besides, UK labor market report showed that the unemployment rate remained steady at 5.1%, while it was expected to drop to 5%. The r...