Insurgents shoot down 2 Ukraine helicopters

SLOVYANSK, Ukraine (AP) — Pro-Russia forces shot down two Ukrainian helicopters Friday as Ukraine launched its first major offensive against an insurgency that has seized government buildings in the east. The Kremlin said Kiev's move "destroyed" the two-week-old agreement on cooling Ukraine's crisis.

Fighting broke out around dawn near Slovyansk, a city 160 kilometers (100 miles) from the Russian border that has become the focus of the armed insurgency against Ukraine's interim government. Two helicopter crew members were killed in the crashes, both sides said, and pro-Russia militiaman was reported killed.

One of the helicopters was hit by a surface-to-air missile, the Ukrainian Security Service said, adding that the sophisticated weapon undercut Russia's claims the city was simply under the control of armed locals. The service said its forces were fighting "highly skilled foreign military men" in Slovyansk.

By late afternoon, the Ukrainian Security Service said the army controlled half of Slovyansk — a claim that could not be immediately verified. Central Slovyansk still remained in the hands of pro-Russia gunmen, according to AP journalists in the city. Several foreign news crews were detained for several hours Friday before being released.

A clash also broke out late Friday between pro-Russians and government supporters in Odessa, on the Black Sea coast some 550 kilometers (330 miles) from the turmoil in the east. Odessa had remained largely untroubled by unrest since the February toppling of pro-Russia President Viktor Yanukovych, which ignited tensions in the east. News reports said several people were wounded, but there was no immediate official information.

In Moscow, Russian President Vladimir Putin's spokesman said the Ukrainian offensive "effectively destroyed the last hope for the implementation of the Geneva agreements" that aimed to defuse the crisis. But Dmitry Peskov said Russia "continues to undertake consistent efforts on de-escalation."

A day earlier Putin warned Ukraine not to move against the insurgents and said it should withdraw its military from eastern and southern regions.

Ukraine, a nation of 46 million, is deeply divided between those in the west who favor closer ties with Europe and many Russian-speakers in the east who look toward Moscow. Ukraine has accused Russia of backing the insurgents who have seized government buildings in 10 eastern cities and fears that Moscow is seeking a pretext to invade; Russia has already stationed tens of thousands of troops in areas near the Ukrainian border.

Russian troops backed separatists in Ukraine's Black Sea peninsula of Crimea in March, then annexed the region after a referendum called for secession.

The deal in Geneva last month aimed to get those who had seized government buildings in Ukraine to leave and calm down the tensions that have prompted the United States and the European Union to slap Russia with rounds of sanctions.

Ukraine's acting president, Oleksandr Turchynov, admitted earlier this week that the central government had lost control of the east, and also said some government troops and police there were "either helping or cooperating with terrorist organizations." He said Ukraine should focus on preventing the instability from spreading to other parts of the country.

Russia's foreign ministry accused Ukraine's fledging government of using "terrorists" from ultranationalist organizations for the military operation. It also claimed that Kiev deployed tanks and helicopters that were "conducting missile strikes on protesters," something that neither side in Ukraine reported.

An Associated Press crew also saw no evidence of missile strikes in Slovyansk.

Russia also cited insurgents in Ukraine as saying that some of the government attackers spoke English.

Ukrainian troops met fierce resistance Friday morning but managed to take control of nine checkpoints on the roads around Slovyansk, Interior Minister Arsen Avakov said in a statement. He called on the insurgents to lay down their arms and release their hostages.

"We are ready to negotiate with protesters and their representatives," Avakov said. "But for terrorists and armed separatists, there is only punishment."

Earlier in the day, Slovyansk appeared quiet but empty and tense and an AP reporter saw six Ukrainian armored vehicles on a road into the city. Black plumes of smoke could be seen on the edge of the city and residents said emergency sirens had sounded at dawn.

Television crews from Sky News and CBS were detained Friday on the outskirts of Slovyansk. Sky News said in a statement its crew was detained for several hours but is now "safe and well."

CBS correspondent Clarissa Ward told "CBS News This Morning" that she and her crew were stopped by pro-Russia insurgents at a checkpoint just outside Slovyansk, then taken to a nearby town where they were blindfolded tightly with masking tape. They were released several hours later, unharmed except for one man who was beaten.

The spokesman for the military wing of the pro-Russia forces, who would give only his first name, Vladislav, said fighting had broken out at several points around Slovyansk and said Ukrainian troops had made incursions into the city itself. That claim could not be independently confirmed.

Peskov said the Kremlin had sent envoy Vladimir Lukin to Ukraine's southeast to negotiate the release of seven foreign military observers among those being held hostage by pro-Russia militia in Slovyansk.

Kiev's interim government came to power after Yanukovych fled to Russia in February, drummed out by months of anti-government protests. Ukraine plans to hold a new presidential election on May 25.

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Nataliya Vasilyeva in Moscow and Maria Danilova in Kiev contributed to this report.