A veteran leader of India's main opposition Congress party quit on Friday, issuing a scathing resignation letter in which he blamed the scion of the influential Gandhi family for the decline of the party that dominated Indian politics for decades.
After ruling for much of India's post-independence period, the 137-year-old party, which traditionally promoted a secular state, has floundered against Prime Minister Narendra Modi and his Hindu nationalist Bharatiya Janata Party (BJP).
