Russia on Tuesday called the United States an adversary
Pompeo: "Next week I am hopeful I will be able to announce another series of actions that we will jointly take together"
Poroshenko said earlier this month he did not plan to extend martial law beyond the one month initially foreseen
The new Art of War?
I look forward to a meaningful Summit again soon as this situation is resolved", he wrote
"We can't stay silent when our sailors are held prisoners"
Stoltenberg urged for calm
The measure will last for the next 60 days
Russia claims Ukrainian ships violated national national waters of Russia
It dates back to the 4th-3rd century BC