With just 11 games remaining, the Bulls still need to make up eight points to escape the drop zone. With Graham Turner targeting 48 points, the Bulls require 18 points from 33.
Swindon's 3-0 win over Southend move them up to the current safety level of 38 points alongside Northampton and Yeovil, with the Glovers in the drop zone on goal difference. Brighton's 3-0 loss at Walsall keep them in 22nd, while Walsall pass the 50 point mark and likely safety. Cheltenham win again to move within two points of the Bulls, winning 1-0 at home to Tranmere. Crewe's 1-1 draw with Bristol Rovers moved them further to safety.
At the top Peterboro edged towards automatic promotion after MK Dons blew the first of three games in hand with a 1-0 loss at home to fourth placed Millwall, with the Lions now level on points with the franchise club.
In League Two leaders Brentford lost 1-0 at home to Chesterfield, with their lead cut to six after Gillingham moved second with a 1-0 win at Notts County. At the bottom Chester remain a point off the drop zone after Luton beat Grimsby 2-1 to put the Hatters within four wins of an unlikely survival after the 30 point deduction. Bournemouth move up to 20th after thrashing Bradford 4-1.
In the Conference Burton made an unsurprising return to form with a 5-0 win at Weymouth. Cambridge kept up pressure with a 2-0 win at Barrow, while Histon retook third after a 4-1 win at home to Grays. Forest Green drew 1-1 with York to move both onto 38 points, two clear of the bottom four.