New Delhi, Oct. 10 -- Delhi Police on Saturday tightened security across the national capital ahead of a protest call by the Cockroach Janta Party (CJP) and the INDIA bloc at Jantar Mantar.

Police have conducted flag marches, intensified vehicle checks at border points and deployed personnel at key entry and exit routes.

The Delhi Metro Rail Corporation (DMRC) has also closed entry and exit gates at several metro stations ahead of the protest.

According to an official communication, Delhi Police proposed closing entry and exit gates at 57 metro stations across the national capital and reducing train frequency at these stations in view of the planned protests.

Earlier, police detained a few protesters who had started gathering at Janta...