• NATO: Big military build-up on Russia-Ukraine border - AP

NATO: Big military build-up on Russia-Ukraine border
AP

Secretary General of NATO, Jens Stoltenberg, meets with Denmark Prime Minister of Helle Thorning-Schmidt, right, at the Prime Minister's Office in Copenhagen on Monday April 20, 2015. (Thomas Borberg/Polfoto via AP) DENMARK OUT  

• US, Ukraine start military training, defying Russian fury - AP

US, Ukraine start military training, defying Russian fury

AP

YAVORIV, Ukraine (AP) — Troops from the United States and Ukraine kicked off joint training exercises Monday intended to help bolster Ukraine's defenses against incursions from Russian-backed separatists in the east