Chris Sewrattan was recently interviewed by Law Times on a warrantless search of a basement during an arrest for assault in R. v. Stairs, 2020 ONCA 678.
The article can be found here: https://www.lawtimesnews.com/practice-areas/criminal/court-of-appeal-split-over-constitutionality-of-warrantless-search-that-produced-methamphetamine/334668