The content originally appeared on: Trinidad and Tobago Newsday News A backhoe helps in the clean-up exercise in Scarborough on February 11 after an oil spill affected the coastline. - Photo by Jaydn Sebro AS efforts to contain and eradicate the oil spill off Tobago continue, Tobago Emergency Management Agency (TEMA) director Allan Stewart says a tier-three response to the disaster could eventually be triggered. He told Newsday representatives of the TT contingent dealing with the spill, comprising several ministries, […]