The hazardous incident at Swansea was trending on Twitter last night and had provoked a lot of discussion.
The UKBA backlog was covered by Victoria Derbyshire, who didn't say whether the problem was caused by the UKBA trying to find out whether she was in Salford, London or abroad.
David Cameron's EU speech was covered throughout the day yesterday.
The breakfast phone-in isn't a current affairs phone-in, it is a phone-uin for discussing an issue which is making the headlines at the time. That issue may not necessarily be the top story.