League One and Two news and rumours: Sunderland 'increase' bid for Northern Ireland ace | West Ham leading race for Bristol Rovers starlet | Host of clubs chase Peterborough United striker | Rangers eye Charlton Athletic hotshot

It's Day 15 of the January window - meaning League One and Two clubs' are approaching the halfway point in their transfer business.
Rangers have been linked with Charlton Athletic striker Karlan Ahearne-GrantRangers have been linked with Charlton Athletic striker Karlan Ahearne-Grant
Rangers have been linked with Charlton Athletic striker Karlan Ahearne-Grant

Stay tuned throughout the day for all the latest news and breaking transfer speculation from across the two divisions. Don't forget to refresh.