The Congress - on paper the main opposition party and the BJP's biggest rival - continues to lurch from crisis to another ahead of a series of high-profile Assembly elections this year, including one in Tamil Nadu, the source of the latest contretemps.
Karur Lok Sabha MP S Jothimani posted a scathing takedown of a faction (no names were offered) within the party that is "lying in wait, ready to exploit any opportunity to incite public sentiments, seize power, and bury the social justice, and development policies of this land".