Reports from Papua New Guinea say police have opened fire on a student demonstration, killing as many as four people and wounding around 20.<br /><br /> The violence started when the students began marching towards parliament in the capital. <br /><br /> There has been a groundswell of unrest in the island nation just north of Australia. <br /><br /> Prime Minister Peter O’Neill has been resisting calls to resign since being implicated in a major corruption scandal over alleged mismanagement and suspicious international deals.<br /><br /> Despite a wealth of mineral resources Papua New Guinea struggles with violence and poverty.<br /><br /> Australia has warned that unrest has spread to other cities.<br /><br /> One witness said people have been fleeing the streets amid rioting and looting; public transport and many businesses have shut down.<br />
