May 13 (Reuters) - The following are the top stories

from selected Canadian newspapers. Reuters has not verified

these stories and does not vouch for their accuracy.

THE GLOBE AND MAIL

** U.S. medical testing giant Quest Diagnostics Inc ( DGX )

is in the final stages of negotiations to buy LifeLabs from the

Ontario Municipal Employees' Retirement System (OMERS) for more

than $1.3 billion.

** Contract talks between employers and the longshore union

at British Colombia ports have reached an impasse, raising

concerns about disruptions to Canada's supply chain.

** Three government contractors Coradix Technology

Consulting, Dalian Enterprises and GCStrategies involved in

developing the ArriveCan app have received hundreds of federal

contracts worth more than $1 billion over the past 13 years.

(Compiled by Bengaluru newsroom)