Russian border guard ships rammed into and fired on the Ukrainian vessels Sunday as they were trying to make their way via the Kerch Strait to the Sea of Azov.
About it reports "Interfax-Ukraine" with reference to the press service of the Commissioner for human rights in Russia Tatiana Moskalkova.
"Here, some 30 Russian planes could attack", says the general, explaining why he has beefed up the anti-aircraft defences.
Adrian Karatnycky of the Atlantic Council urges us to build up USA naval forces in the Black Sea, send anti-aircraft and anti-ship missiles to Ukraine, ratchet up sanctions on Russia, threaten to expel her from the SWIFT system of global bank transactions, and pressure Europe to cancel the Russians' Nord Stream 2 and South Stream oil pipelines into Europe.
Moscow later backed pro-Russian separatists in eastern Ukraine in a conflict in which more than 10,000 people have been killed.
Ukraine's soldiers are practising repelling a Russian attempt to land on the coast. Ukraine is not a member of the US-led military alliance.
The Senate also accuses Moscow of "destabilizing for the entire region" and inviting further escalations.
As this developed, the Ukrainian intelligence agency was searching the home of the father superior of Kiev's biggest and oldest monastery, which is part of the Russian Orthodox Church.
The crew members were then captured - 24 in total - and have now been given two months in pre-trial detention.
Ukrainian State Border Service Head Pyotr Tsigikal said earlier that security measures would be tightened at crossing points.
If Ukraine had a right to break free of Russian Federation in 1991, why do not Crimea, Donetsk and Luhansk have the right to break free of Kiev?
She says "we can only resolve this in talks with one another because there is no military solution to all of these conflicts". Or, if the next flare-up over control of the waterways between Russian Federation and Ukraine occurs at the same time conflict in eastern Ukraine has heated up, the spark for large-scale conflict will be instant.
Kremlin spokesman Dmitry Peskov said that Poroshenko's request is "clearly aimed at provoking further tensions" and driven by the Ukrainian leader's "electoral and domestic policy motives".
"After Crimea and Donbass, the Azov sea is becoming Ukraine's third front line which could destabilise Ukranian-Russia relations but also Europe security as a whole".
According to the BBC, Russian President Vladimir Putin said Thursday the incident was "a provocation" organized by the Ukrainian government "in the run-up to the Ukrainian presidential election", which Poroshenko is expected to lose. "We discussed this subject with both sides".
What happened to the seized Ukrainian ships and sailors?
"We need a strong, resolute and clear reaction to Russia's aggressive behaviour", Poroshenko told Funke.
Ukrainian vessels, including warships, would have to notify Russian authorities before passing beneath the Kerch Strait Bridge into the Sea of Azov to reach their major port of Mariupol.