This broke my heart. #CanadaStrong pic.twitter.com/y5ZYkb2PDx

— ryyyy⚽ (@rluptonnn) October 28, 2014

Cpl. Nathan Cirillo's son waving the Canada flag during the procession #hamont #canadastrong pic.twitter.com/itbJyGVAIp

— Alyssa Lai (@alyssa_lai) October 28, 2014

Marcus #Cirillo your father is forever proud and Canada a nation grateful #CanadaStrong pic.twitter.com/j9KjuYXFRI

— Bill Brasky (@Polkameister) October 28, 2014

That poor, sweet little boy is without a father. It's heartbreaking. #RIPNathanCirillo #CanadaStrong pic.twitter.com/hoo1gt9dQL

— Ash O'Malley (@RhymesWithAsh) October 28, 2014

An Honourable Farewell to an Honourable Soldier. RIP Cpl Nathan Cirillo. Albainn Gu Brath #CanadaStrong pic.twitter.com/2zRMxqmHfP

— Sean Smith (@SeanSmithCR) October 28, 2014

The flag draped casket of CPL. Nathan Cirillo is brought into Christ Church Cathedral. #RIP #CanadaStrong pic.twitter.com/qVQFht3Xix

— Adrian Ghobrial (@CityAdrian) October 28, 2014

Parade down York Blvd. pic.twitter.com/YINYnFWXSX

— Kelly Bennett (@kellyrbennett) October 28, 2014

Chris Corboy from Brantford came today "because I'm Canadian. That's the only way to describe it." #RIPNathanCirillo pic.twitter.com/a9nV6Ewc0t

— Kelly Bennett (@kellyrbennett) October 28, 2014

Watching sombrely as TV shows casket being carried from church. #RIPNathanCirillo #HamOnt pic.twitter.com/bZ8OQkz1cs

— Kelly Bennett (@kellyrbennett) October 28, 2014

Teela Anderson brought her 3-y-o Jade. Will tell her later that #NathanCirillo "died serving our country strong." pic.twitter.com/ZZrq2Ek1SB

— Kelly Bennett (@kellyrbennett) October 28, 2014

CPL. Nathan Cirillo's Argyll Regiment leads the military funeral procession. #Canadastrong https://t.co/6hhBUnNwJW

— Adrian Ghobrial (@CityAdrian) October 28, 2014

The casket of CPL. Nathan Cirillo loaded in the hearse by members of his Argyll regiment. #CanadaStrong #RIP https://t.co/izq2biiaa3

— Adrian Ghobrial (@CityAdrian) October 28, 2014

A single drum beats. #RIP CPL. Nathan Cirillo. #CanadaStrong https://t.co/0nl6jCUwPD

— Adrian Ghobrial (@CityAdrian) October 28, 2014

.@JohnKerry placing wreath today at War Memorial where #Ottawa shooter killed Canadian soldier #NathanCirillo pic.twitter.com/IQBBN5BPwN

— Jim Sciutto (@jimsciutto) October 28, 2014

WATCH: U.S. Secretary of State @JohnKerry lays wreath in Ottawa to honour fallen soldiers http://t.co/MC5zp7NCd6 pic.twitter.com/UtnMYkVWqP

— Globalnews.ca (@globalnews) October 28, 2014