Gulf oil leak: Tar balls found on Florida coast

Advertisement

Tar balls on the Florida coast are being tested to see if they have come from the oil spill in the Gulf of Mexico.

Oil has now reached the coastlines of three US states, and in Louisiana there are fears the slick could still cause an environmental disaster.

Meanwhile, federal officials and oil executives have faced further questioning from US senators over the incident.

Mark Mardell reports from the Mississippi Delta