Kenyan Forces Search for Gunmen, Hostages at Besieged Mall

Kenyan troops say they are closing in on Islamist extremists holding an unknown number of hostages inside a Nairobi shopping mall, in a deadly siege that began on Saturday.

Explosions could be heard and thick black smoke was seen rising above the Westgate mall on Monday.

Kenyan officials say the military controls all the floors of the shopping center and has rescued an unspecified number of hostages. But a number of gunmen are still at large.

The Somali terrorist group al-Shabab has claimed …