BP Places New Cap on Well, Leak Appears to Slow 3.02K Max Read 07/12/10 07:46PM Filed to: oil spill oil spill Bp deepwater horizon oil leak cap well BP's got a new cap for the leaking oil well in the Gulf of Mexico, and it might be working—NewsHour tweeted that oil had stopped flowing, but one camera in their live feed seems to show otherwise. [AP]