The protest was aimed at Chief Election Commissioner Gyanesh Kumar over a revision of voter lists that critics say benefits Prime Minister Narendra Modi's ruling Bharatiya Janata Party. Police detained more than 2,000 protesters and the founder of the "cockroach" youth movement in Delhi on Saturday as security forces locked down parts of the capital to thwart a rally demanding the resignation of India's election chief. Key points and original sources are listed below.

• The protest was aimed at Chief Election Commissioner Gyanesh Kumar over a revision of voter lists that critics say benefits Prime Minister Narendra Modi's ruling Bharatiya Janata Party.S1

• Police detained more than 2,000 protesters and the founder of the "cockroach" youth movement in Delhi on Saturday as security forces locked down parts of the capital to thwart a rally demanding the resignation of India's election chief. Our correspondent Navod...S2