def process_event(self, connection, event):
    kicker = event.source.nick
    channel = event.target
    kicked = event.arguments[0]
    #reason = event.arguments[1]
    
    # Create user records if they don't exist.
    if not self.db.one("SELECT id FROM users WHERE name='" + kicker + "' AND network='" + self.network + "'"):   # Kicker does not have a user record.
        self.db.run("INSERT INTO \"users\" (name, network) VALUES ('" + kicker + "', '" + self.network + "')")  # Create user record.
    if not self.db.one("SELECT id FROM users WHERE name='" + kicked + "' AND network='" + self.network + "'"):  # Kicked does not have a user record.
        self.db.run("INSERT INTO \"users\" (name, network) VALUES ('" + kicked + "', '" + self.network + "')")  # Create user record.
    
    # Create kick records if they don't exist.
    if not self.db.one("SELECT id FROM kicks WHERE channel='" + channel + "'AND channel_network='" + self.network + "' AND \"user\"='" + kicker + "' AND user_network='" + self.network + "'"): # No records for kicker channel combination.
        self.db.run("INSERT INTO kicks (channel, channel_network, \"user\", user_network) VALUES ('" + channel + "', '" + self.network + "', '" + kicker + "', '" + self.network + "')")
    if not self.db.one("SELECT id FROM kicks WHERE channel='" + channel + "'AND channel_network='" + self.network + "' AND \"user\"='" + kicked + "' AND user_network='" + self.network + "'"): # No records for kicked channel combination.
        self.db.run("INSERT INTO kicks (channel, channel_network, \"user\", user_network) VALUES ('" + channel + "', '" + self.network + "', '" + kicked + "', '" + self.network + "')")
    
    # Save statistic.
    self.db.run("UPDATE kicks SET given = given + 1 WHERE channel='" + channel + "'AND channel_network='" + self.network + "' AND \"user\"='" + kicker + "' AND user_network='" + self.network + "'")
    self.db.run("UPDATE kicks SET received = received + 1 WHERE channel='" + channel + "'AND channel_network='" + self.network + "' AND \"user\"='" + kicked + "' AND user_network='" + self.network + "'")
    
    # React.
    if kicked == connection.get_nickname(): # Bot was kicked.
        if channel == self.homechannel: # From it's homechannel.
            connection.join(self.homechannel)
            return
        #if self.db.one("SELECT aggressiveness FROM channels WHERE name='" + channel + "' AND network='" + self.network + "'") == "passive"):    # Passiev behaviour.
            #return  # Do nothing.