Full AAIB Report Here
Can't see this having been discussed here before but a serious incident and very interesting read. Seems like a close call for the 3 landing aircraft at BHX but very much avoidable after reading through the report.
Extract:
The first two aircraft reported that they might have seen something on the runway during landing but could not be certain that it was not paint markings. Having been informed of the reports of the two preceding aircraft, the third aircraft elected to land, following which the flight crew notified ATC that they had seen a ladder on the runway. The ladder had been on the runway for 37 minutes before it was retrieved by the airport safety team.