India, Dec. 6 -- Members of labour unions affiliated with the Shiv Sena (UBT) and the Bharatiya Janata Party (BJP) clashed at The St Regis Mumbai on Friday, resulting in a two-hour standoff at the luxury hotel as both sides engaged in a verbal and physical altercation.

The situation was brought under control only after the police intervened and used mild force to separate the two groups, before escorting them out through different gates.

This was the second such incident in the last three weeks. On November 14, unions backed by the two parties had a face-off at the Taj Lands End hotel in Bandra over the alleged poaching of members.

Friday's clash was triggered after members of the Shiv Sena (UBT)-affiliated Bhartiya Kamgar Sena (BKS), ...