LOS ANGELES , California ( CNN ) -- Pop star Britney Spears was resting at UCLA Medical Center on Thursday , her mother said , hours after police escorted her to the hospital from her Hollywood home . Britney Spears , left , and her mother Lynne Spears pose at the 2000 MTV Video Music Awards in New York . A long convoy of police and a Los Angeles Fire Department ambulance transported the 26-year-old singer to the hospital after midnight , acting on what the Los Angeles Times reported was a `` mental evaluation hold . '' It was the second hospitalization for Spears this month . The police operation was planned far in advance and , according to the L.A. Times , followed a phone call to police from Spears ' psychiatrist . Asked if her daughter was resting , mother Lynne Spears said `` Yes '' to a throng of reporters as she departed the medical center . Watch scene at Spears ' home » . The pop star 's father Jamie Spears and her manager Sam Lufti also appeared at the hospital , neither choosing to speak to reporters . The latest incident in the troubled performer 's saga began about 12:55 a.m. on Thursday when the North Hollywood Police Department sent about eight officers to Spears ' hilltop house in Studio City , California , according to a law enforcement official , who asked not to be identified because he 's not authorized to comment publicly . See Spears timeline » . The group at Spears ' house included plainclothes officers , motorcycle police , ambulance crews and some police `` brass , '' the official said . It took the better part of the day to arrange the transport plan , the officer said . On January 3 , Spears was taken to Cedars-Sinai Medical Center , where she reportedly underwent a psychological evaluation . Watch how mental evaluations work » . Andrew Blankstein , a Los Angeles Times reporter who was at the scene of Thursday 's incident , told CNN that a police convoy , stretching the length of a football field , accompanied the ambulance as it drove down Coldwater Canyon Boulevard -- in part to keep the paparazzi from getting too close . Watch police motorcade at Spears ' home » . Spears was whisked out a side entrance to her house . `` You could n't really see what was going on [ when officers first swept into the residence ] but on the police radio , there was some reference to 'The package is on the way out , ' 'We 're leaving now . Go , go , go , ' '' Blankstein said . A few hours earlier , two officers were sent to investigate a report of a large group gathered outside the singer 's home , said David Grimes , watch commander for the west division of the Los Angeles Police Department . The two officers found 20 to 25 people near the house around 11 p.m. Wednesday and they asked them to leave , he said . ABC-TV host Barbara Walters reported on Monday 's `` The View '' that she had been contacted by Spears ' manager and `` good friend , '' Lufti , who told her the pop star has seen a psychiatrist and `` is suffering from what he describes as mental issues which are treatable , '' according to The Associated Press . Watch experts discuss Spears ' behavioral issues » . During Spears ' earlier hospitalization , in addition to the psychological evaluation , she was examined for possible influence of alcohol or drugs . Police had been called to her home that night to mediate a custody dispute . A day later , a California court refused to grant Spears visitation rights with her two children -- Sean Preston , 2 , and Jayden James , 1 -- at least until mid-February . Spears has been in a heated dispute with ex-husband Kevin Federline over custody of their sons . Federline , Spears ' former backup dancer , holds primary custody of the children . Spears has been in trouble with the court earlier concerning her compliance with court orders in the custody case . After filing for divorce in November 2006 , Spears was frequently seen enjoying Hollywood nightlife . Her behavior became increasingly erratic ; in February 2007 , she shaved her head as paparazzi looked on , then spent a month in rehab . E-mail to a friend . CNN 's Saeed Ahmed and Ninette Sosa contributed to this report . Copyright 2008 CNN . All rights reserved.This material may not be published , broadcast , rewritten , or redistributed . Associated Press contributed to this report .
Troubled pop star resting , mom says , after large police escort . L.A. Police : Britney Spears placed on ` ` mental health evaluation hold '' , prompted by call police got from Spears ' mother , she reports . Incident is second time in which the singer has been taken to a psychiatrist .