The vigil was held at the Azad Maidan in south Mumbai and several members of the Mumbai media fraternity took part in it.
Some social activists also organised a protest meeting at the Carter Road Amphitheatre in suburban Bandra in the evening to condemn the killing of the journalist.
Lankesh (55), known for her left-leaning outlook and forthright views on Hindutva politics, was shot dead by unidentified assailants at her Bengaluru residence last night.
At Kolhapur, protests were held at the Bindu Chowk to condemn the killing of Lankesh.
Journalists in Nashik also condemned the killing, with the chairman of the All India Journalist Coordination Committee (AIJCC), Satish Rupvate, demanding the immediate arrest of Lankesh's assailants.
Lankesh had returned home in her car and was opening the gate of the vehicle when motorcycle-borne assailants fired at her, killing her on the spot.
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