Death of teenagers at Cape Town tavern leaves parents distraught and confused

In tonight's edition: Authorities in South Africa are seeking clues after 21 teenagers died in a packed bar. Also, the G7 is to mobilise $600 billion of investment in global infrastructure projects in the next five years, including in Africa, in a bid to counter China's initiatives. Finally, we speak to DJ and curator Mo Laudi about the "Globalisto" exhibition by African artists in the French city of Saint-Etienne.