Crimea

Ukrainian government in Kiev accuses Moscow of declaring war by sending troops into Crimean peninsula.

Russian troop deployment and war of words between Vladimir Putin, John Kerry and William Hague hurt Moscow markets.

Kerry to meet interim officials to show solidarity for Ukraine's 'sovereignty independence and territorial integrity.'

G8 partners condemn Moscow's military build up in Ukraine as Medvedev warns of fresh bloodshed to oust Kiev's interim government.

Nato's North Atlantic Council set to hold emergency meeting following Kiev's request as Ukrainian forces remain on full combat alert.

Russian President wins backing of parliament for troop deployment in neighbouring Ukraine.

Referendum to decide whether Crimea will remain in Ukraine or break away.

As Russian troops reported on ground, President Obama warns Moscow of "destabilising" consequences of military action.

Pro-Russian PM of Crimea Sergey Aksenov orders all armed forces to answer only to him and tells others to flee peninsula.

US president says 'there will be costs' if Russia chooses armed intervention in Ukraine over Crimea.

London advises against travelling to Crimean peninsula after airports seized by armed men

Footage emerges of fleet of Russian military helicopters said to be flying toward Crimea's Belbek airport

Dozens of helicopters moving in squadrons in combat formations after last-minute instructions to pilots.

Best photos of the day: 28 February 2014

Local reports suggest Russian troops are being mobilised all across Russian-dominated Crimea.

Ousted leader Viktor Yanukovych set to hold press conference in Russia's Rostov-on-Don city.

Russia says Black Sea Fleet operations are as per international regulations but insists Moscow's interests will be protected.

Ex-president Viktor Yanukovich expected to speak publicly in Russia's Rostov-on-Don for first time after revolution

Nato's top military commander has declared that no contingency plans have been made by US or NATO if Russia invades Crimea.

Fugitive president asks Russia to ensure his security

Vladimir Putin launches military drill as pro-Kiev Tatars fight pro-Moscow protesters in Simferopol

Fistfights break out between pro- and anti-Russian demonstrators in Crimea.

Anti-Kiev sentiments grow in Russian-speaking eastern and southern regions of Ukraine amid secession calls in Crimea.

Russian foreign minister Sergei Lavrov denies interference and says Moscow's policy of non-intervention will continue

Meeting attended by PM, defence minister, foreign minister and intelligence chiefs.

Nikolai Filchenkov sails from Russian Black Sea Fleet base at Sevastopol.

Moscow accuses EU and US of 'power grabbing'.

Moscow will fight to protect Russian diaspora and strategic naval base if Ukraine crisis spills into neighbouring territory.