Air raids, naval shelling and ground fighting shook Yemen on Sunday in some of the most widespread combat since a Saudi-led alliance intervened last month against Iranian-allied Houthi militia who have seized large tracts of the country.

• April 26, 2015

Ukraine is planning an operation involving tens of thousands of police to guard against any attack by separatists or Russian agents during World War Two commemorations next month, security chiefs said on Tuesday.

• April 21, 2015

The Pentagon said on Tuesday the presence of a large convoy of Iranian cargo ships in the Arabian Sea was one factor in the U.S. decision to deploy additional warships in the waters off war-torn Yemen but was not the primary reason for the move.

• April 21, 2015

Top Russian officials accused the United States on Thursday of seeking political and military dominance and sought to put blame on the West for international security crises, including the conflict in east Ukraine.

• April 16, 2015

President Vladimir Putin accused Washington on Thursday of putting pressure on some world leaders not to attend events in Russia marking the 70th anniversary of the end of World War Two in Europe.

• April 16, 2015

Russian President Vladimir Putin said on Thursday Iran's drive to find a solution in talks over its disputed nuclear program had spurred his decision to renew a contract to deliver S-300 missile defense systems to Tehran.

• April 16, 2015

The U.N. Security Council on Tuesday imposed an arms embargo targeting the Iran-allied Houthi rebels who now control most of Yemen as battles in the south of the country intensified.

• April 14, 2015

Russia paved the way on Monday for missile system deliveries to Iran and started an oil-for-goods swap, signaling that Moscow may have a head-start in the race to benefit from an eventual lifting of sanctions on Tehran.

• April 13, 2015