The UN Children's Fund (UNICEF) and the World Health Organisation (WHO) have launched a Global Action Plan to battle diarrhoea and pneumonia.



The conditions kill almost two million children globally under the age of five every year.



Pakistan is one of the worst hit nations, registering 126,000 deaths in 2010, and there's a chronic lack of medical staff in the country.



Al Jazeera's Imran Khan reports from Lower Dir .