Tranmere, Doncaster and Brentford all won to pull away at the top of League One.
Tranmere picked up their fourth straight win as David Amoo scored on his debut to defeat Crawley 2-0. Doncaster and Brentford both were victorious, however, to keep up the pressure on Ronnie Moore's side.
An injury-time strike from Rob Jones gave Doncaster the 2-1 win at Stevenage to keep them equal top, while the prolific Clayton Donaldson bagged a brace in Brentford's victory at Oldham.
Paddy Madden also scored two for Yeovil to prolong Sheffield United's poor run.
At the other end of the table, Scunthorpe moved out of the relegation zone as they leapfrogged Colchester by beating them 2-1.
Results in full: Bournemouth 1-1 Swindon, Colchester 1-2 Scunthorpe, Leyton Orient 1-1 Crewe, MK Dons 1-1 Bury, Oldham 0-2 Brentford, Sheffield United 0-2 Yeovil, Shrewsbury 1-1 Hartlepool, Stevenage 1-2 Doncaster, Tranmere 2-0 Crawley
