A1) Merga ran inside the curb of the inside lane.A2) Harry was in his lane, but with Patton leaning into the curve he collided with Harry's shoulder.

Athletes with a B standard only compete in three rounds too, just like athletes with the A standard. It is the athletes who do not have either an A or B standard (representing countries who are permitted to enter one unqualified athlete in one event, as per the IAAF rule) who will compete in the preliminary round.

Re-read the first paragraph - it says it's the first one to be held in the UK.

Look for an announcement tomorrow. Watch this space...! :-)