The president said the US cannot stay indefinitely.
If voters approve, 'petro-president' Ilham Aliyev could serve for life.
Mohammed Momin Khawaja, the first man convicted under Canada's anti-terror laws, was involved with foiled bomb plot in Britain.
The bombing is the third major attack in recent days, prompting fears of a spike in violence.
Hebert Veloza Garcia's extradition will stymie efforts to find justice for his victims, say Colombian human rights groups.
The buildup in Ciudad Juárez, an entry point for drug smuggling on the US border, is meant to stop vicious fighting between drug cartels.