A crab fisherman, Rusli, sits on the crab cage in mangrove forest that is contaminated by oil in Kariangau village, Balikpapan Bay, East Kalimantan. An oil spill off Balikpapan bay in Borneo island that led to five deaths and the declaration of a state of emergency, was caused by a burst undersea pipe belonging to Indonesia's state oil company Pertamina.