The Supreme Court in Pakistan has ordered former military ruler Pervez Musharraf to respond to accusations that he committed treason.
On Tuesday, judges at the Supreme Court will consider an application to have him put on trial for imposing emergency rule and arresting judges in 2007.
General Musharraf has been allowed to run in parliamentary elections next month. But he has also been barred from leaving the country.
General Musharraf - who led a military government from 1999 until 2008 - lived in Dubai and London until he returned to weeks ago.
The Supreme Court was responding to petitions from lawyers who allege that he committed treason by suspending the constitution and sacking the entire higher judiciary in November 2007.
The court has asked the former leader to appear on Tuesday when it considers whether or not to put him on trial. The BBC said it is unclear whether he will appear in person or send his lawyer.