i am in berlin, meggin leigh with the news. >> and i have the business. >> coming up, libyan rebel forces increase the pressure on gaddafi loyalists strongholds. u.s. officials warn of a possible terrorist attack as the 9/11 anniversary approaches. >> and the european central bank loses its top economist, adding to the turmoil on financial markets. ♪ >> we start in libya, were the battle to oust the last remnants of muammar gaddafi's regime appears to be picking up pace. there are reports of heavy fighting around get off the's home town, and forces loyal to libya's interim government says they are in the gaddafi stronghold. the latest reports come hours before a saturday deadline for gaddafi supporters to surrender. >> a rebel checkpoint 15 kilometers north. things were quiet on the outskirts of the pro-ticket office stronghold until late afternoon. then, a vehicle of their vehicle filled with rebel fighters headed towards the city. >> we are 3 kilometers from the city center, and we're combing every neighborhood. >> the assault came as a surprise. the transitional council's forces give l