Delhi remains on edge after a third consecutive night of rioting, with reports of Muslim homes and shops being targeted by violent mobs.
Twenty-three people have been killed so far in the deadliest violence the Indian capital has seen in decades.
The clashes first broke out on Sunday between protesters for and against a controversial citizenship law.
But they have since taken on communal overtones, with reports of many Muslims being attacked.
Photographs, videos and accounts on social media paint a chilling image of the last few days - of mostly Hindu mobs beating unarmed men, including journalists; of groups of men with sticks, iron rods and stones wandering the streets; and of Hindus and Muslims facing off.
Access to these areas was severely restricted on Tuesday, when most of the violence took place. Judging by the names released so far, both Muslims and Hindus are among the dead and injured.
The Delhi High Court, which is hearing petitions about the violence, has said it cannot let "another 1984" happen on its "watch". In 1984, more than 3,000 Sikhs were killed in anti-Sikh riots in the city.
■ Mosques have been vandalised in the clashes
The streets in these areas are littered with stones and shattered glass. Broken and burnt vehicles are strewn about, and the stench of smoke from smouldering buildings fills the air.
What is happening now?
Muslim residents in Mustafabad leaving their homes with bags and bundles of their belongings, fearing further violence.
Some 189 people are injured, according to officials at the hospital, where many of them have been admitted.
People with all sorts of injuries, including bullet wounds, scrambling for treatment. They say the hospital seemed "overwhelmed", and many of the injured were "too scared to go back home".
Many, including journalists, have tweeted and spoken of mobs demanding to know their religion. At least one photojournalist said he was asked to remove his pants to prove his religious identity. This has also happened during religious riots in the past to identify Muslims as they are usually circumcised.
'Burned prayer mats and a torn Quran'
A small crowd of around a dozen people is standing outside a vandalised mosque in Ashok Nagar, one of the areas worst affected by the violence.
The front of the green and white building is scorched. An Indian flag and a saffron flag, commonly associated with right-wing Hindu groups, are flying from one of the minarets.
Torn pages from the Quran are strewn outside the building. Two young men are picking up the pages and putting them in a plastic bag.
One man says he will take the pages and bury them in a graveyard.
As I enter the building, I see skull caps and partially burned prayer mats.
The area where the mosque stands is a Hindu neighbourhood, but residents say that they had nothing to do with its desecration.
They blame "outsiders", saying that they did not intervene as they were afraid of being targeted.
Why did it turn deadly so quickly?
It appears to have started with a threat issued by a leader from (BJP), against protesters opposing the citizenship law.
On Sunday, he led a rally in Jaffrabad and asked people - via Twitter - to gather in the area. In his tweet, he told the Delhi police they had three days to clear the protest sites and warned of consequences if they failed to do.
What are authorities doing?
Police were not doing enough to help those under attack.
The affected areas are close to the Loni border - that Delhi shares with Uttar Pradesh state - which has now been sealed. Schools in the area have been closed, and year-end exams postpond.
The timing of the unrest is being seen as an embarrassment for Prime Minister Narendra Modi as he was hosting US President Donald Trump over the last two days on his first official visit to India.
As the violence escalated, it overshadowed Mr Trump's visit, making it to national and global headlines.
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