Although Irish law bans foreign donations to political campaigns, there had been concerns that overseas campaigners were still able to spend potentially unlimited sums buying adverts targeting Irish voters.
"Following our update around election integrity efforts globally, we have made a decision to pause all ads related to the Irish referendum on the Eighth Amendment", said a company statement.
All relevant ads will now be banned over the next 24 hours and will remain so for the duration of the campaign on Google and YouTube.
Chelsea 1-1 Huddersfield: Blues' UCL hopes up in flames
Liverpool had made a bright start and Roberto Firmino tested Thibaut Courtois with a dipping half-volley. That doesn't sound like a holiday to me. "I'm not shocked or surprised that happened today", Klopp said.
This comes one day after Facebook has announced that they will not allow referendum ads from foreign sources on the site.
Facebook has also announced a raft of similar transparency steps related to political ads in recent years - responding to political pressure and scrutiny following revelations about the extent of Kremlin-backed online disinformation campaigns that had targeted the 2016 U.S. presidential election. Opinion polls continue to show a strong lead for the Yes side, though that lead has slipped since the start of the campaign.
He said the campaign had made it clear that Irish politicians now needed to pass legislation to restrict the activities of internet companies' advertising products "in the same way that steps were taken in the past to regulate political advertising on traditional forms of print and broadcast media".
Google declined to supply any information about cancelled ads or the spending on ads in recent weeks.
Feared Killed As Armed Bandits Attack Kaduna Village
These include the confirmation that a new battalion of the Army and a new Police Area Command have been sited in Birnin Gwari . The governor also directed the State Emergency Management Agency, to provide relief materials to the affected communities.
Pro-choice groups say it creates a level playing field, but pro-life groups say it's an attempt to "rig the referendum".
Google's move has been welcomed by Together For Yes, the umbrella group of civil society organisations campaigning for a "Yes" vote.
At a joint press conference on Wednesday, No campaigners said that the move was taken out of fear the No side might win..
It added: "Online was the only platform available to the No campaign to speak to voters directly. That platform is now being undermined, in order to prevent the public from hearing the message of one side", the statement said.
Thousands protest against Macron in Paris and Toulouse
Benjamin Griveaux, a government spokesman, expressed fears on Friday that the demonstration could turn violent. A protester holds a sign reading "Brigitte do just like us, get a divorce".