Kenya attack survivor: 'My son is traumatised'

The four-day siege involving suspected Islamist militants at Nairobi's Westgate shopping centre is over, according to Kenya's president.

Uhuru Kenyatta confirmed that 61 civilians and six soldiers had died, and declared three days of national mourning, starting on Wednesday.

Lynsey Khatau, who survived the terror attack along with her husband and young son, spoke to the BBC about her family's ordeal.