WRAPUP 6-Russia bombards Ukraine ports, threatens ships, jolting world grain markets

(Adds U.N. Security Council meeting in paragraph 5, China Foreign Ministry statement in paragraph 10, Zelenskiy talks with Ethiopia leader paragraph 19, no panic buying of grain in paragraph 25) *

China says Chinese consulate damaged in Odesa strikes *

US wheat soars 8.5%, biggest jump since days after invasion *

Moscow to treat Ukraine-bound vessels as if they carry weapons By Viktoria Lakezina and Vitalii Hnidyi

MYKOLAIV/NEAR KUPIANSK, Ukraine, July 20 (Reuters) - R ussia jolted world grain markets with an escalation in the Black Sea, mounting a third straight night of air strikes on Ukrainian ports and issuing a threat against Ukraine-bound vessels to which Kyiv responded in kind. At least 27 civilians were reported hurt in the air strikes on the ports, which set buildings ablaze and damaged China's consulate in Odesa.

The United States said Russia's warning to ships indicated Moscow might attack vessels at sea following Moscow's withdrawal this week from a U.N.-brokered deal to let Ukraine export grain. The signals that Russia was willing to use force to reimpose its blockade of one of the world's biggest food exporters set global prices soaring. Moscow says it will not participate in the year-old grain deal without better terms for its own food and fertiliser sales. The United Nations says Russia's decision threatens food security for the world's poorest people.

The U.N. Security Council will meet on Friday over "the humanitarian consequences" of Russia's withdrawal, said Britain's U.N mission. Kyiv is hoping to resume exports without Russia's participation. But no ships have sailed from its ports since Moscow pulled out of the deal on Monday, and insurers have had doubts about whether to underwrite policies for trade in a war zone.

Since quitting the deal, Moscow has rained missiles down nightly on Ukraine's two biggest port cities, Odesa and Mykolaiv. Thursday's strikes appeared to be the worst yet. Odesa regional governor Oleh Kiper posted an image online of China's consulate building with broken windows. It is located in Odesa's city centre just across railway tracks from the port.

"The aggressor is deliberately hitting the port infrastructure - administrative and residential buildings nearby were damaged... It shows the enemy does not pay attention to anything," Kiper said on Telegram. The Chinese foreign ministry said the shock wave of the explosion "knocked down parts of the walls and window panes of the consulate... China is paying close attention to the relevant developments."

In Mykolaiv, firefighters battled a huge blaze at a pink stucco residential building, blasted into a ruin. Several other residential buildings there were also damaged. Moscow has described the port attacks as revenge for a Ukrainian strike on Russia's bridge to Crimea on Monday. It said on Thursday its retaliatory strikes were continuing and it had hit all its targets in Odesa and Mykolaiv.

In its most explicit threat yet, Russia's military announced it would deem all ships heading for Ukrainian waters from Thursday morning to be potentially carrying weapons, and their flag countries as parties to the war on the Ukrainian side. It said it was declaring parts of the Black Sea to be unsafe. Kyiv responded on Thursday by announcing similar measures, saying it would consider vessels bound for Russia or Russian-occupied Ukrainian territory also to be carrying arms.

Washington called Russia's threat a signal that Moscow might attack civilian shipping, and said Russia was also releasing new mines into the sea. "We believe that this is a coordinated effort to justify any attacks against civilian ships in the Black Sea and lay blame on Ukraine for these attacks," White House National Security Council spokesperson Adam Hodge said.

CLUSTER MUNITIONS Beijing made no immediate public mention of the incident at its consulate, which took place while Ukraine's Economy Minister Taras Kachka was in China for the first high level Ukrainian visit since Russia's invasion.

China said it told Kachka it was willing to expand imports of Ukrainian goods. Kyiv has long sought to persuade Beijing to distance itself from Moscow. Ukraine's President Volodymyr Zelenskiy said on Telegram that he had spoken with Ethiopia's Prime Minister Abiy Ahmed and told him Ukraine was still ready to remain a guarantor of global food security.

The escalation comes as Kyiv reports a new attempt by Russia to return to the offensive in the northeast of Ukraine, where it says Moscow has massed 100,000 troops and hundreds of tanks. On the front line near Kupiansk, a railway hub Ukraine recaptured last month, Stanislav, an artillery unit commander, said his forces had received newly issued cluster munitions, and could start firing them soon: "Maybe today or tomorrow".

The United States started sending Ukraine cluster munitions this month, though many countries have banned them as a potential danger to civilians. Kyiv says the munitions, which contain scores of small bomblets that rain shrapnel over an area, could save lives if used in narrow circumstances to hasten the collapse of Russia's front line. Since last month, Ukrainian forces have been on the march in the east and the south, recapturing small amounts of territory in their first big counteroffensive since last year. But the going has been slow, with the Ukrainians yet to take on Russia's main defensive lines.

WHEAT PRICES JUMP The Black Sea escalation pushed U.S. wheat futures up on Thursday, after they jumped 8.5% on Wednesday, their fastest single-day rise since the initial days of Russia's invasion in February last year.

Major grain importers in the Middle East and North Africa have reacted calmly however to the end of the safe shipping corridor, European commodity traders said, and there was no panic buying. Both Ukraine and Russia are among the world's biggest exporters of grain and other foodstuffs. The United Nations says withdrawing tens of millions of tonnes of Ukrainian grain from the market would cause worldwide shortages.

Russia, which shut Ukraine's ports in the early months after its invasion, let them reopen a year ago under the grain deal, with Turkey and the United Nations supervising inspections of vessels with Russian participation. A parallel deal offered guarantees for Russia's own food and fertiliser exports. Moscow says this has not been fully implemented. Western countries say Russia has had no difficulty selling its food, which is exempt from financial sanctions.

Zelenskiy said in his nightly television address that Russia's attacks on Ukraine's ports proved that "their target is not only Ukraine, and not only the lives of our people". (Writing by Peter Graff, Alexandra Hudson Editing by Angus MacSwan, William Maclean)

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