India's ruling Hindu nationalist party won in three of four state elections in a vote that pitted the main opposition against that of Prime Minister Narendra Modi before national polls next year.

Around 10 BBC employees have been sleeping in their office since Tuesday. Some of the tax agents stayed overnight too. They searched laptops and phones of some journalists and administrative staff.

Rana Ayyub, an investigative journalist in India, has constantly faced online harassment, death threats and the full force of India's judiciary system throughout her career

The results are seen as a referendum on the prime minister's popularity and a resounding endorsement of his party's Hindu-first politics.