<br/>The British Oil Company, BP says there are no signs of leakage from the newly capped ruptured oil well in the Gulf of Mexico. A BP official gave the latest assessment a day after the company managed to stop the flow from the leaking well for the first time in nearly three months. BP executive Kent Wells said no oil has escaped from the new cap sealing the well and there was no sign of any breach under the sea floor.<br/><br/>Earlier, the US official overseeing the spill response, Adm Thad Allen said the latest tests were inconclusive. He said the pressure test of the well would continue for several more hours. Speaking in Washington, US President Barack Obama cautioned against over-optimism and said much work remained to be done.