The situation in the area was under control though palpable tension prevailed, he said, adding that police force has been deployed in the area while police officers are also camping there to prevent any further untoward incident. Police said 18 people had been arrested in March when two groups clashed in the same locality over the use of the local cremation ground.Although the provocation for the fresh clash is not known, we suspect the same issue might be the cause, police said.