Pakistan's officials have said that the extensive damage and loss of life in Quetta was caused by an Improvised Explosive Device (IED) strapped to a motorcycle.
Wazir Khan Nasir, deputy inspector general of police in Quetta, said: "The explosion was caused by an improvised explosive device fitted to a motorcycle."
Here the extent of the damage is being gauged by local people:
More top news
Charlo Greene announced her resignation as a reporter on Alaskan network KTVA live on-air with some choice language.
Watch the amazing moment a cyclist in Russia escapes being killed as a truck and car collide at high speed.
Cameron may have wrong-footed Labour, but there may also be serious rumblings from his own backbenchers, if he wavers on England's future.