Another arrest made in deadly Kenyan mall attack

Kenya's interior minister says that another arrest has been made in connection with the deadly Westgate mall attack, which left 67 people dead in a four-day siege.
Interior Minister Joseph Ole Lenku said the arrest was made today, but he refused to give any further details.
Kenyan officials have arrested 12 people in connection with the attack, but three have been freed. Lenko declined to say if any of those arrested had been in the mall during the attack.