At least 100 people have been killed by an explosion at a leaking petrol pipeline in the Kenyan capital city of Nairobi.<br /><br />Entire families were wiped out in the mid-morning incident, which took place in in a densely populated slum.<br /><br />Medical personnel at Nairobi's Kenyatta Nation Hospital are struggling to treat the stream of injured being rushed in.<br /><br />Al Jazeera's Khadija Magardie reports.
