4th man arrested in Lukas Strasser-Hird's killing

A fourth man has been arrestedin connection to the death of 18-year-old Lukas Strasser-Hird in a Beltline alley in late November.

He is facing a charge of second-degree murder.Three other suspects have already been arrested and charged.

• 3rd man charged in Lukas Strasser-Hird's death
• Police seek video, photos of Lukas Strasser-Hird assault

Lukas Strasser-Hird diedaftersuffering critical, life-threatening injuries in thealley located at Second Street and 10th Avenue S.W. An autopsyconfirmedhe died from stab wounds.

It's believed Strasser-Hird was involved in two altercations before his death. After the first incident, he and friends wereseparated from the situation but ran into another group of people shortly after.

Policebelieveseveral people were involved in the incident, and the investigation is still underway.

Officials also made apublic appeal for cellphone photos orvideo of a deadly assault.

"Investigators believe that some onlookers may have used their cellphones to video or photograph either or both of the altercations," said police."These images may have been shared and police are keen to obtain them as the investigation continues."

Videosor photos can be sent to a special email address that has been established for theinvestigation at homicidetips@calgarypolice.ca.