It is the "backbone of military communications in Ukraine" that provides vital high-speed internet to forces across the country.
The planned execution of Nidal Hasan is scheduled to be the first military execution in more than 60 years.
Rescue officials fear more people are buried under the debris in the north-western city of Peshawar.
A search and rescue operation is under way in the Black Sea after the latest attack in the area.
More than 12,000 people filled a major venue in the city to hear the former US president's take on the challenges the world is facing. .
Russia reports a Ukrainian strike on an oil refinery on Thursday, after Ukraine's president says a pause is over following fresh Russian attacks.