Train services were halted around 11:00 between Cais do Sodré and Martim Moniz stations.
The Lisbon Metro operates daily with four lines: Yellow (Rato-Odivelas), Green (Telheiras-Cais do Sodré), Blue (Reboleira-Santa Apolónia), and Red (Aeroporto-São Sebastião).
Typically, the metro runs from 06:30 to 01:00.
