TRENTON, N.J. - As the investigation into the attack at the Capitol continues, state capitols and police in the Delaware Valley are taking precautions to make sure they’re ready for any protests.Mounted units from New Jersey State Police could be seen around statehouse grounds in Trenton Tuesday.A spokesperson for the Assembly Majority Office says state police increased security at the State House in response to the riot at the United States Capitol on January 6, while their staff has been working remotely due to COVID-19.District office staff have also been advised to work remotely, in part due to the riot and for potential demonstrations planned in Trenton, ahead of President-Elect Joe Biden’s January 20 inauguration.Senate President.