Airport sit-in leaves travellers frustrated in CAR In the Central African Republic, hundreds of people staged a sit-in at the country's main airport on Tuesday, blocking the runway and preventing flights from taking off or landing. The demonstrators were displaced people who are calling for humanitarian aid and the resignation of the transitional president Michel Djotodia. Among those unable to take their flight were a group of Senegalese nationals hoping to leave the Central African Republic. Images and soundbites.