Sainsbury's has been named as the sponsor of the British Anniversary Games in the Olympic Stadium in July.
The three-day event includes the British Athletics London Grand Prix and a one-off Paralympic event.
Tickets go on sale on Friday.
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Sir Bruce entertained audiences for more than seven decades.
Work in the tower will also pause over the bank holiday weekend.
The attacker grabbed her dog lead wrapped it round her neck and started to strangle her before running away.