His centre-right government must now either find alternative savings and submit them to parliament in the form of a supplementary budget - at a time when its authority to implement further austerity is weakened by the court's decision - or seek to renegotiate the terms of the bailout accord with the troika, the three institutions overseeing its implementation, says the BBC's Alison Roberts in Lisbon.

BBC: Portugal constitutional court rejects budget articles

In particular, a new UNESCO initiative on Global Partnership for Museums was considered for involving museums and related institutions as vital partners in the implementation of cultural policies for sustainable development.

UNESCO: OFFICE IN MOSCOW

Despite his sense of regret over the suspension of the institutions, the government would carry forward the implementation of the Agreement, Dr Reid said.

BBC: McGuinness warns of political vacuum