Police used batons and tear gas to disperse the 500-strong crowd from outside the Amethi palace.

A long-standing property dispute between the erstwhile Amethi royal, Congress Rajya Sabha MP Sanjay Singh, and his former wife, Garima Singh, turned ugly today, as her supporters clashed with the police. A constable died when supporters of Garima Singh opened fire at the police.Earlier, the police used batons and tear gas in a bid to disperse the 500-strong crowd from outside the royal palace. Two media persons had been injured in the lathi charge.Tensions have been on the rise since Garima Singh and her three children -- Anant, Mahima and Shaivya - moved into the royal palace a few months ago.

Mr Singh, who has stayed away from Amethi, is slated to arrive today. After the news spread, Garima Singh's supporters gathered outside the palace.