Dhaka, Jan. 31 -- Oil prices rose on Friday as markets weighed the threat of tariffs by US President Donald Trump on Mexico and Canada, the two largest crude exporters to the US, that could take effect this weekend.

Brent crude futures for March, which expires on Friday, gained 61 cents at $77.48 a barrel at 0430 GMT. The more-active April contract was at $76.37 a barrel, up 48 cents, as per a Reuters report.

US West Texas Intermediate crude (WTI) gained 65 cents to $73.38.

For the week, Brent is set to fall 1.3 per cent while WTI has declined 1.69 per cent.

However, for the month of January, Brent is set to gain 3.8 per cent, its best month since June, and WTI is poised to climb 2.3 per cent.

"Crude oil prices declined this week due...