Index: binaries/data/mods/public/simulation/ai/common-api/gamestate.js
===================================================================
--- binaries/data/mods/public/simulation/ai/common-api/gamestate.js
+++ binaries/data/mods/public/simulation/ai/common-api/gamestate.js
@@ -23,6 +23,7 @@
 	this.alliedVictory = SharedScript.alliedVictory;
 	this.ceasefireActive = SharedScript.ceasefireActive;
 	this.ceasefireTimeRemaining = SharedScript.ceasefireTimeRemaining;
+	this.emergencyState = new Map();
 
 	// get the list of possible phases for this civ:
 	// we assume all of them are researchable from the civil center
Index: binaries/data/mods/public/simulation/ai/petra/chatHelper.js
===================================================================
--- binaries/data/mods/public/simulation/ai/petra/chatHelper.js
+++ binaries/data/mods/public/simulation/ai/petra/chatHelper.js
@@ -234,3 +234,11 @@
 		"parameters": { "_player_": player }
 	});
 };
+PETRA.chatEmergency = function(gameState)
+{
+	Engine.PostCommand(PlayerID, {
+		"type": "aichat",
+		"message": "/allies Please help me",
+		"translateMessage": true
+	});
+};
Index: binaries/data/mods/public/simulation/ai/petra/config.js
===================================================================
--- binaries/data/mods/public/simulation/ai/petra/config.js
+++ binaries/data/mods/public/simulation/ai/petra/config.js
@@ -175,6 +175,24 @@
 		"Market/InternationalBonus",
 		"Player/sharedDropsites"
 	];
+
+	this.criticalPopulationFactor = [
+		0.8,
+		0.8,
+		0.7,
+		0.6,
+		0.5,
+		0.35
+	][difficulty];
+
+	this.criticalStructureFactor = [
+		0.8,
+		0.8,
+		0.7,
+		0.6,
+		0.5,
+		0.35
+	][difficulty];
 };
 
 PETRA.Config.prototype.setConfig = function(gameState)
Index: binaries/data/mods/public/simulation/ai/petra/emergencyManager.js
===================================================================
--- /dev/null
+++ binaries/data/mods/public/simulation/ai/petra/emergencyManager.js
@@ -0,0 +1,57 @@
+/**
+ * Checks for emergencies and acts accordingly
+ */
+PETRA.EmergencyManager = function(Config)
+{
+	this.Config = Config;
+	// Initialized in initPhases
+	// Maximum population size during the game
+	this.referencePopulation = 0;
+	// Maximum number of structures during the game
+	this.referenceStructureCount = 0;
+	// Maximum number of territory roots
+	this.numRoots = 0;
+};
+
+PETRA.EmergencyManager.prototype.initPhases = function(gameState)
+{
+	this.referencePopulation = gameState.getPopulation();
+	this.referenceStructureCount = gameState.getOwnStructures().length;
+	this.numRoots = this.rootCount(gameState);
+};
+
+PETRA.EmergencyManager.prototype.checkForEmergency = function(gameState)
+{
+	if (gameState.emergencyState[PlayerID])
+		return;
+	const pop = gameState.getPopulation();
+	const criticalPopulationChange = (this.referencePopulation / pop) < this.Config.criticalPopulationFactor || pop == 0;
+	const nStructures = gameState.getOwnStructures().length;
+	const criticalStructureChange = (this.referenceStructureCount / nStructures) < this.Config.criticalStructureFactor || nStructures == 0;
+	const nRoots = this.rootCount(gameState);
+	const criticalRootChange = (this.numRoots - nRoots) >= 2 || nRoots == 0;
+
+	if (criticalPopulationChange && criticalStructureChange)
+		gameState.emergencyState[PlayerID] = true;
+	else if (criticalRootChange)
+		gameState.emergencyState[PlayerID] = true;
+
+	if (pop > this.referencePopulation)
+		this.referencePopulation = pop;
+	if (nStructures > this.referenceStructureCount)
+		this.referenceStructureCount = nStructures;
+	if (nRoots > this.numRoots)
+		this.numRoots = nRoots;
+
+	if (gameState.emergencyState[PlayerID])
+		PETRA.chatEmergency(gameState);
+};
+PETRA.EmergencyManager.prototype.rootCount = function(gameState)
+{
+	let roots = 0;
+	gameState.getOwnStructures().toEntityArray().forEach(ent => {
+		if (ent && ent.get("TerritoryInfluence") !== undefined && ent.get("TerritoryInfluence").Root)
+			roots++;
+	});
+	return roots;
+};
Index: binaries/data/mods/public/simulation/ai/petra/headquarters.js
===================================================================
--- binaries/data/mods/public/simulation/ai/petra/headquarters.js
+++ binaries/data/mods/public/simulation/ai/petra/headquarters.js
@@ -44,6 +44,7 @@
 	this.diplomacyManager = new PETRA.DiplomacyManager(this.Config);
 	this.garrisonManager = new PETRA.GarrisonManager(this.Config);
 	this.victoryManager = new PETRA.VictoryManager(this.Config);
+	this.emergencyManager = new PETRA.EmergencyManager(this.Config);
 
 	this.capturableTargets = new Map();
 	this.capturableTargetsTime = 0;
@@ -66,6 +67,7 @@
 	this.treasures.registerUpdates();
 	this.currentPhase = gameState.currentPhase();
 	this.decayingStructures = new Set();
+	this.emergencyManager.initPhases(gameState);
 };
 
 /**
@@ -2190,6 +2192,7 @@
 PETRA.HQ.prototype.update = function(gameState, queues, events)
 {
 	Engine.ProfileStart("Headquarters update");
+	this.emergencyManager.checkForEmergency(gameState);
 	this.turnCache = {};
 	this.territoryMap = PETRA.createTerritoryMap(gameState);
 	this.canBarter = gameState.getOwnEntitiesByClass("Market", true).filter(API3.Filters.isBuilt()).hasEntities();