County Championship D1, New Road, day two (stumps): Northamptonshire 311 v Worcestershire 75-4 Worcestershire were plunged deeper into trouble in the 15.5 overs that were bowled on a rain-hit second day against Northants at New Road.
South African seamer Johann Louw did the damage as the hosts fell from an overnight 14-2 to 75-4 at the close of play, a deficit of 236 runs.
Louw removed opener Stephen Peters and skipper Ben Smith (both caught) to take his innings figures to 3-32.
Graeme Hick and Vikram Solanki then held firm to add 35 unbroken runs.
Worcestershire: S D Peters, S C Moore, G A Hick, B F Smith (Capt), V S Solanki, A J Bichel, A J Hall, G J Batty, Kabir Ali, S J Rhodes (Wkt), M S Mason.
Northamptonshire: T W Roberts, R A White, M L Love, D J G Sales (Capt), U Afzaal, G P Swann, G L Brophy (Wkt), C M Goode, J Louw, C G Greenidge, C J R Jennings.