Police in India are prosecuting a man who used Twitter to try to find oxygen for his dying grandfather.
Officers in Uttar Pradesh state charged Shashank Yadav with spreading a rumour over oxygen shortages "with intent to cause... fear or alarm".
Mr Yadav, who did not refer to Covid in his brief tweet, could face jail.
Uttar Pradesh is among India's worst-hit states. Its chief minister, Yogi Adityanath, is accused of downplaying the severity of the coronavirus crisis.
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Earlier this week, Mr Adityanath, a right-wing ally of Prime Minister Narendra Modi, demanded that the property of anyone spreading rumours and propaganda be seized.He also said that none of the state's hospitals lacked oxygen, although scenes have unfolded of an overwhelmed health system.
Officers in the town of Amethi claimed Mr Yadav's "false tweet" had prompted other people to make allegations against the government, and they pressed criminal charges against him on Tuesday night."Shashank Yadav has been booked for spreading misleading information," said Arpit Kapoor, a senior police officer in Amethi, the Indian Express reported.
Critics say the move reflects a general erosion of civil liberties and freedom of speech over the past few years.
On Monday Mr Yadav, who reports say is 26, put up a brief post on the social media platform appealing for an oxygen cylinder in which he tagged Bollywood actor Sonu Sood. He made no mention of coronavirus or what his grandfather was suffering from.