Sri Lanka, March 12 -- Dhanushka Wickramasinghe had spent several lonely years alone in Canada, working to establish himself, before reuniting last summer with his wife, Darshani Ekanyake.

Last summer came the happy reunion with his wife Darshani Ekanyake, a teacher, and their three young children. Months later, more joy - a baby girl named Kelly.

Dhanushka Wickramasinghe thought his days of living alone in Ottawa were behind him.

But on Wednesday, a waking nightmare was unfolding on the other side of Wickramasinghe's front door.

His home in the suburb of Barrhaven would be quiet when he got back from work a bit shy of 11 p.m., but the happy tumult of a house full of kids would surely resume in the morning.

"He's in shock, great shoc...