which wants to force sheik hasina to shut down. >> main encumbrance to give entrance, the traffic coming through is less than 50% of what it usually is and doorgd some ofaccording to some of the employees here it's close to ten to 20% of the normal traffic. >> there have been several attacks where dozens have been killed or injured. accusing the bnp of targeting the public to create an atmosphere of fear. >> translator: when we used to go on general strikes we used to go to the bus owners, the workers, the small business owners we went to the general public and said we are protesting against injustice of the government. will you join us? we got them on our side. that's what should be done. what is done now? a bus is thrown into the crowd can you call this politics. >> but opposition activists say they are also victims of violence. this person lives in fear of constantly being attacked. babu is free but is always in hiding. >> translator: after i was released maybe i got past the four walls of the prison but then all of bangladesh became my prison. >> reporter: the government of prime min

but sheik hasina says she has a mandate to govern. >> the current political situation is immediate concern. what we are observing in the country is confrontational politics with no sense of compromise on the horizon. it appears that no one is looking out for the overall concerns of the country. >> exams are scheduled to start on friday, almost a week after they were set to begin. victoria gatenby, al jazeera. >> one of the countries worst affected by the outbreak, three,000 volunteersthree,000 -- 3,000 volunteers have agreed to be part of the trial. ebola has killed over 9,000 in west africa. >>> over the past years cost to environment and global economies is huge. andy gallagher reports from u.s. state al louisiana. >> there were decades when the bayou stretched,. >> i'm amazed right here you could never pass through with a boat right here. >> on the open waters of louisiana's coastal communities they're all too aware of the changes taking place. valuable wetlands have been lost lost and entire communities may be forced to leave. >> it's hard to accept or think of. we know it's coming but