Mumbai, June 13 -- The British pound is erasing gains from an over a three-year high on Friday tracking a good rebound in the dollar overseas. Market sentiments turned sour following heightened geo-political tensions in the Middle East, providing some respite to the safe haven dollar to revive from a three -year low. Investors were led to dollar amid heightened geo-political tensions in Middle East after media reported that Israel has launched unprecedented attack on Iran, targeting the heart of nation's nuclear program and senior military leaders. The move plunges the Middle East into fresh uncertainty with the real risk of a wider regional war now breaking out. However, growing uncertainty over US trade policy after President Donald Tru...