Hi All

I recently had the return leg of a BA flight cancelled (business class) and i was put on a SAS flight, who are not a one world partner. I upgraded my original flight to business with the purpose of helping me get towards the next tier status and have not received any tier points or avios for that changed flight.
So i have two questions if I may...
Can i claim the avios and tier points as the cancellation was not down to me - if so how do i claim?
The equivalent service on SAS is not a full business service i.e. you only get standard class food from the inflight menu (though it's free) and standard seating (no middle seat free). Therefore can i claim that this is not a direct replacement for the cost paid?

Many thanks