Is Madonna not feeling the love from Russia? The London Sun claims "Russian gangsters," unhappy that the well-preserved pop icon is bringing her sacri-licious "Confessions" tour to Moscow next month, have sent "sinister warnings" that she, along with kids Lourdes and Rocco, could be kidnapping targets.

"Madonna is well aware of the kidnap threats but she is brave and even a little nonchalant when it comes to her own safety," an insider tattles to the tab. "[Husband] Guy [Ritchie] is seriously concerned and has made it clear that security has to be tightened, just to be on the safe side."

Earlier this month, a spokesman for Russia's Orthodox Church reportedly told followers to just say "nyet" to Madonna's leotard- and iconography-filled concert, griping that she "exploits Christian symbols -- the cross, rosary beads and the crucifix -- and tries to equate human passions, including her own personal passions, with something sacred."

When contacted for comment on the alleged threats, the Big M's rep told MSN Entertainment, "I do not comment on security issues regarding Madonna. I can assure you that her security is always taken very seriously in every country that she visits."

Meanwhile, Madonna may be able to crush the thickest Kabbalah texts between her muscular thighs and bench press the most blinged-out crucifix with her bulging biceps, but it seems she's just a big marshmallow when it comes to love.

According to the London Mirror, Mrs. Ritchie was "fighting back tears" as she expressed her schmoopy feelings for her hubby during a star-dotted 48th birthday celebration last week.

"I care for Guy deeply and he is the love of my life," she's quoted as gushing to a 100 or so family and friends, who included a Chris Martin-less Gwyneth Paltrow and Kevin Spacey. "He has changed my life for the better since I met him. I can only thank him for all his support."

The low-key lovebirds, who are supposedly planning to renew their wedding vows in honor of their upcoming sixth anniversary, have repeatedly denied reports that their relationship had hit a rough patch.

"The last thing anyone expected was for Madonna to pay such a tribute to Guy," a chatty guest tells the paper. "It was incredible to hear her open up and let people know such personal feelings. Guy was beaming and it's clear they're very much in love."

And finally, in an oddball bit of Madonna news, the Times of London reports the red string-sporting Ritchies once tried to sell the British government on a "mystical" Kabbalah fluid billed as being able to clean up radioactive waste.

The paper says Madonna and Guy unsuccessfully reached and touched various agencies a few years back in a bid to promote the water-based product, which had allegedly helped decontaminate a Ukrainian lake.

"It was like a crank call," recalls an official. "The scientific mechanisms and principles were just bollocks, basically."

Another government staffer says Madonna "relentlessly pursued people. She wanted to get this Russian scientist to explain this to civil servants."

This wasn't the only time Madonna apparently attempted to do her part to neutralize nuclear fallout. In 2005, an BBC reporter who went undercover at the London Kabbalah Centre recalled witnessing a "weird religious service" that purportedly had devotees -- including Madonna -- turning eastward and "crying out 'Cher-er-er-er-nobyl' at the top of their voices."

Said the journalist, "They thought they were curing Chernobyl of radiation, using the power of Kabbalah to drive away the evil -- and one of the biggest rock stars on the planet was joining in the chanting."