Colombia's Farc rebels have ended their two-month-long unilateral ceasefire, BBC News reported.

The announcement came hours after President Juan Manuel Santos said security forces were ready for any possible resurgence.

Farc declared the truce as peace talks began in Cuba. The government refused to follow suit, arguing the rebels would use the opportunity to rearm.

The talks aim to end five decades of an armed conflict that has killed an estimated 600,000 people in Colombia.