Although they have not been charged , the magistrate is allowing police to hold them for a week while the investigation continues . Four arrested on suspicion of involvement '' in hotel blast in Pakistani capital . More than 100 died in January 20 attack on Marriott Hotel , 250-plus injured . Police have not said how they believe the deaths are related to the blast .
Four arrested on suspicion of involvement '' in hotel blast in Pakistani capital . More than 100 died in January 20 attack on Marriott Hotel , 250-plus injured . Police have not said how they believe the deaths are related to the blast .