There were no reported injuries, and players were ordered off the pitch due to the incident.
Meanwhile, spectators in the stands were told to seek cover or to head indoors by ground security.
The players alerted the umpires, Michael Gough and Paul Baldwin, who acted quickly to take the players off the field - a number of them sprinting towards the changing room.
Surrey County County Cricket Club chief executive Richard Gould told Sky News: "We don't know if were deliberately targeted or whether someone has been irresponsibly firing this sort of thing outside the ground".
Images taken outside the ground show the police arriving at the scene following the evacuation of attendees.
Saudi Arabia's digital platforms offer insight into Hajj
Saudi Arabia and Iran severed ties in 2016, and as a result, no Iranians were at the pilgrimage previous year . This, he said, is germane to the successful implementation of the 2017 hajj operations.
No one was injured and, according to a statement issued by the Metropolitan Police, it is believed the arrow was sacked from outside The Oval in Kennington, south London.
He told the Press Association: "They said there were two fired from the north east corner of the OCS stand of which one, they think, hit the roof".
Mr Lawrence said he thought it looked "like a crossbow arrow", and that nobody was sure where it had come from.
Mr Lawrence, who is a regular attendee at the Oval, said he had "never seen anything like it".
The umpires eventually decided the First Division match, already into its fourth and final day, should be abandoned as a draw with neither side on top.
Batty was fielding about 25 yards from where the pink-coloured bolt, with red and yellow fletching, landed, and he said: "It was a pretty tasty arrow with a proper metal end". John Simpson was 88 not out and former England batsman Nick Compton unbeaten on 28.