Trending: Whitby house fire, Derrick Rose ACL tear, Jimmy Kimmel

Chicago Bulls trainer assists Derrick Rose after injuring his knee against the Philadelphia 76ers in Game 1 of the Eastern Conference Quarterfinals. (Gary Dineen/NBAE via Getty Images)

A deadly fire in Whitby, Ont. and Jimmy Kimmel's appearance at the White House Correspondents Dinner made it to Canadian trending lists on Twitter Sunday morning. Here's a rundown of some of the trending topics today.

Whitby: An early morning fire in Whitby left three people dead early Sunday morning. CTV News reports that two men and a woman in their 20s were rushed to hospital but were pronounced dead shortly after. The family's dog was rescued.

Whitby house fire claims three lives bit.ly/INrCz0

-- CP24 (@CP24) April 29, 2012

Fire officials investigating after Whitby house fire claims 3 lives overnight ow.ly/aAkWo

-- CTV Toronto (@CTVToronto) April 29, 2012

#UPDATE: Watch video footage of the early morning #Whitby fire that left three people dead. bit.ly/Iv99tG

-- 680News/Toronto News (@680News) April 29, 2012

UPDATE: Fire marshal's office investigating after 3 killed in #Whitby fire. A dog has been rescued bit.ly/Iilz5G #GTA

-- CityNews Toronto (@CityNews) April 29, 2012

Derrick Rose: The Chicago Bulls' Derrick Rose suffered a torn anterior cruciate ligament in his left knee while going for a layup near the end of Game 1 against the Philadelphia 76ers on Saturday. He will miss the rest of the season.

What now for #Bulls & Derrick Rose with Rose out of playoffs? bit.ly/IhqiHI @SamSmithHoops checks in with his perspective

-- Chicago Bulls (@chicagobulls) April 29, 2012

It's plain and simple: The loss of Derrick Rose means no title for the #Bulls explains @MarkSchanowski cmcst.sn/aaaRmg

-- CSN Chicago (@CSNChicago) April 29, 2012

Many fans and reporters expressed their dismay at the Bulls star's absence for the rest of the playoffs, but a Nike footwear designer caught some flak for a tweet that seemingly made light of the situation:

You got one guy only getting stronger, and one guy breaking down before our very eyes. You chose poorly Pooh...#shouldasignedwithNIKE #GWS

-- Jason Petrie (@sevenzro1) April 28, 2012

"Pooh," according to Yahoo Sports, is the nickname Rose's grandmother gave him when he was a young child.

Jimmy Kimmel: Comedian and late night host Kimmel hosted the White House Correspondents Dinner Saturday, and made some waves roasting political commentator Keith Olberman, former vice president Al Gore and other topics such as marijuana.

On Olberman: "I'd like everyone to look under your seats. Under each one you will find a copy of Keith Olbermann's resume."

On marijuana: "Pot smokers vote too. Sometimes a week after the election, but they vote."



U.S. President Barack Obama also had some fun on the podium. "Last year at this time, this very weekend, we finally delivered justice to one of the world's most notorious individuals," he said - as a photo of Donald Trump appeared on the monitors in the room.

Jimmy Kimmel jabs Obama/Holder over #FastandFurious; most of DC media/Hollywood celebs scratch heads is.gd/B2657W

-- Michelle Malkin (@michellemalkin) April 29, 2012

But Jimmy Kimmel said "America is a place where a man is not judged by the color of his skin, but by the number of his twitter followers"

-- Charlamagne Tha God (@cthagod) April 29, 2012

Jimmy Kimmel to Pres. Obama: "Stick by your guns.And if you don't have any, ask Eric Holder."

-- Tim Groseclose (@Tim_Groseclose) April 29, 2012

What's trending in your world? Let us know what's buzzing where you are below.