Trains between Reading and Oxford were delayed by up to ten minutes on Saturday after reports of a trespasser at around noon, according to CrossCounty.
The incident was reported to have occurred between Culham and Radley.
However, neither Network Rail or the British Transport Police were able to provide any further details last night.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here