Five sides of a square starting in a cell that must have a second letter added to it spell out a timely event. The clue to the entry affected consists of definitions to the two words that could be formed.

Across

1 Patriarch was President during Civil War (7)

5 Fervent Teresa upset about Navy (7)

9 Philosophical way to avoid objections at the outset (3)

10 Whisky found in Revelation 22? (5,2,4)

11 Monk for instance luxuriates boundlessly in ocean’s height (3,5)

12 Prophet is absent in American hotel (6)

15 Man who is said to turn worldliness into wordiness (4)

17 Online game caught son at least 28 days (10)

19 Make deduction about uncle, eccentric online promoter (10)

20 Berliner regularly offers this cheese (4)

23 Canal vista without soldiers in it (6)

24 Constant ringing from Titus outside tavern (8)

27 Navvies in on rebuilding without any cutting (3-8)

29 What follows a busy person? (3)

30 Glucoside for cleaning up juice (onion) without using some oxygen (7)

31 Follow round chief divinity (7)

Down

1 Irregular soldier beheaded craftsman (7)

2 Wine port? Hamburg’s OK (5)

3 Big mistake when algebra regularly follows method (6)

4 Angular meeting in US seedy bar for bishops? (5-5)

5 Important date holds unknown quantity for Biblical priest (4)

6 Upset family half-heartedly tolerate dissident (8)

7 Prophet drops God and becomes priest (3)

8 Distraught aesthete missing front one gets new gnashers? (7)

13 Heavenly liquid in soporific Horlicks (5)

14 Stupefying end to injustice with the revolution (10)

16 Small and charming female found in rising river (5)

18 Old Rumanian, not a roving reporter (3,3,2)

19 Threatens little devil with consequences (7)

21 Troubled at dense poor dockland area (4,3)

22 Plan popular care (6)

25 Board returning Napoleon’s island after end of conflict (5)

26 Give notice of danger to merit (4)

28 Seize cloth with woolly surface (3)

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