"International interference in Indian affairs won't be tolerated," warned banners waved by the United Hindu Front activists who burned photos of teen climate activist Greta Thunberg, pop star Rihanna and Meena Harris, the niece of U.S. Vice President Kamala Harris on Thursday.

The outrage followed an investigation launched by the Delhi Police Cyber Crime Cell on charges of sedition and criminal conspiracy against the creators of a "toolkit" on the country's months-long farm protests, which Thunberg shared. The docket provided a crash course on organizing campaigns, like tips on popular hashtags and suggestions on starting an online petition.

"No person has been named in the FIR (first information report)," said Praveer Ranjan, the special commissioner of Delhi Police, denying reports that a case was filed against the Swedish environmentalist who has now deleted the "controversial" toolkit saying it was being "updated by people on the ground in India."

Thunberg also declared to her over 4.7 million followers on Twitter: "I still #StandWithFarmers and support their peaceful protest," adding "no amount of threat and hate" will ever change her mind.

How it started?

It all started when thousands of agitating Indian farmers who have encamped at various borders of Delhi, the country's capital city, for over two months now found an unexpected cheerleader in global pop sensation Rihanna on Tuesday.

"Why aren't we talking about this? #FarmersProtest" asked the "Don't Stop The Music" singer on social media platform Twitter, commenting on a news report about the internet shutdown imposed to hobble the campaign against the Narendra Modi government's three agriculture laws.

The one-liner by the Barbadian beauty, the fourth most-followed individual on Twitter with an army of over 100 million followers, has garnered over 917,000 likes and more than 360,000 retweets since February 2; and was enough to elicit a wave of international support.

Meena Harris, the niece of U.S. Vice President Kamala Harris, condemned "an assault on democracy," saying, "We ALL should be outraged by India's internet shutdown and paramilitary violence against farmer protesters."

Harris, whose pictures were set on fire along with Rihanna and Thunberg's, invoked the issue of women's safety in India's largely patriarchal society, saying, "Imagine what they would do if we lived in India."

More global celebrities back Indian farmers

Twitter boss Jack Dorsey liked many tweets lauding Rihanna for throwing the farmers' issue under the international spotlight. 

Indian-Canadian talk show host and comedian Lilly Singh replied, "Yes! Thank you so much @rihanna. This is a humanity issue! #IStandWithFarmers and this narrative is TIRED."

"We stand in solidarity with the #FarmersProtest in India," tweeted the world's most famous environment activist Greta Thunberg hours later.

Ugandan climate justice activist Vanessa Nakate posted: "Farmers feed the world. Fight for them. Protect them #FarmersProtest".

"Paid actors, huh? Quite the casting director, I hope they're not overlooked during awards season. I stand with farmers #FarmersProtest," quipped Lebanese-American model and adult star Mia Khalifa.

American rapper RUSS joined in: "What's going on in India is crazy smh sending love to all my fans and people who are being affected by this."

India: Rihanna's tweet 'irresponsible'

While far-famed Punjabi singers like Harbhajan Mann and Jazzy B thanked Rihanna for "raising her influential voice," the lionizing of demonstrating farmers by global celebrities from foreign lands fell foul of Indian authorities and government supporters.

"Motivated campaign targeting India will never succeed. We have the self confidence today to hold our own. This India will push back #IndiaAgainst Propaganda," tweeted Indian Foreign Minister S. Jaishankar. 

As India's external affairs ministry called celebrities' "temptation of sensationalist social media hashtags and comments" as "inaccurate and irresponsible," popular Bollywood actress Kangana Ranaut targeted Rihanna, saying: "What is so special about her, well… she can shake her bum cheeks and expose her a** crack right in the camera lens while singing… ya that's all. Nothing else."

Ranaut, who earlier claimed that those protesting were "paid actors" and then disowned the statement, called Thunberg "dumb and a spoilt brat."

Indian cricket legend Sachin Tendulkar tweeted this to his 35 million followers: "India's sovereignty cannot be compromised. External forces can be spectators but not participants. Indians know India and should decide for India." 

Government cracks down on farm protests

Internet services in Delhi border areas were suspended days after farmers drove tractors and broke police barricades to enter Delhi on January 26, which is observed as the country's Republic Day. The ensuing clashes left one protester dead and scores injured on both sides. 

On Monday, Twitter blocked access to some 250 handles and tweets linked to the farmers' movement. 

Read more: Twitter enrages Indians after blocking accounts over farm protests

Local authorities have dug up roads, built walls, installed barricades, and cemented roads with nails around protest sites.

The new laws allow farmers and buyers to deal directly stepping over the agricultural market produce committees, the Modi government defends it as a "reformist legislation," but farmers are wary of losing their livelihoods to big agriculture companies.

U.S. tells India: Allow peaceful protests, internet access

The U.S. Congress' India Caucus on Thursday called on the Indian government to "ensure that the norms of democracy are maintained," urging to allow "farmers to protest peacefully and have access to the internet."

Congressman Brad Sherman, Co-Chair of the Congressional India Caucus met with his other Republican Co-Chair Congressman Steve Chabot, and Vice-Chair Congressman Ro Khanna to speak with India's Ambassador to the U.S., Taranjit Singh Sandhu.