RICHMOND, Va. (AP) _ Virginia U.S. Sen. Mark Warner is holding a meeting in Richmond today to discuss rail safety. The conversation will focus on the status of proposed regulations and initiatives to improve the safety of transporting crude oil by rail in Virginia. It comes in the wake of a train derailment and fire in downtown Lynchburg on April 30. Scheduled participants include representatives of the U.S. Department of Transportation, Pipelines and Hazardous Materials Safety Administration, the Lynchburg Fire Department and CSX.